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-rw-r--r--drivers/usb/misc/Kconfig6
-rw-r--r--drivers/usb/misc/Makefile1
-rw-r--r--drivers/usb/misc/adutux.c21
-rw-r--r--drivers/usb/misc/appledisplay.c17
-rw-r--r--drivers/usb/misc/cypress_cy7c63.c5
-rw-r--r--drivers/usb/misc/cytherm.c32
-rw-r--r--drivers/usb/misc/ezusb.c2
-rw-r--r--drivers/usb/misc/ftdi-elan.c77
-rw-r--r--drivers/usb/misc/idmouse.c1
-rw-r--r--drivers/usb/misc/iowarrior.c26
-rw-r--r--drivers/usb/misc/ldusb.c28
-rw-r--r--drivers/usb/misc/legousbtower.c59
-rw-r--r--drivers/usb/misc/lvstest.c25
-rw-r--r--drivers/usb/misc/sisusbvga/sisusb.c3
-rw-r--r--drivers/usb/misc/trancevibrator.c3
-rw-r--r--drivers/usb/misc/usb4604.c175
-rw-r--r--drivers/usb/misc/usblcd.c9
-rw-r--r--drivers/usb/misc/usbsevseg.c8
-rw-r--r--drivers/usb/misc/usbtest.c9
-rw-r--r--drivers/usb/misc/uss720.c5
-rw-r--r--drivers/usb/misc/yurex.c16
21 files changed, 274 insertions, 254 deletions
diff --git a/drivers/usb/misc/Kconfig b/drivers/usb/misc/Kconfig
index eb8f8d37cd95..47b357760afc 100644
--- a/drivers/usb/misc/Kconfig
+++ b/drivers/usb/misc/Kconfig
@@ -240,6 +240,12 @@ config USB_HSIC_USB3503
help
This option enables support for SMSC USB3503 HSIC to USB 2.0 Driver.
+config USB_HSIC_USB4604
+ tristate "USB4604 HSIC to USB20 Driver"
+ depends on I2C
+ help
+ This option enables support for SMSC USB4604 HSIC to USB 2.0 Driver.
+
config USB_LINK_LAYER_TEST
tristate "USB Link Layer Test driver"
help
diff --git a/drivers/usb/misc/Makefile b/drivers/usb/misc/Makefile
index 3d79faaad2fb..3d1992750da4 100644
--- a/drivers/usb/misc/Makefile
+++ b/drivers/usb/misc/Makefile
@@ -24,6 +24,7 @@ obj-$(CONFIG_USB_USS720) += uss720.o
obj-$(CONFIG_USB_SEVSEG) += usbsevseg.o
obj-$(CONFIG_USB_YUREX) += yurex.o
obj-$(CONFIG_USB_HSIC_USB3503) += usb3503.o
+obj-$(CONFIG_USB_HSIC_USB4604) += usb4604.o
obj-$(CONFIG_USB_CHAOSKEY) += chaoskey.o
obj-$(CONFIG_UCSI) += ucsi.o
diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c
index 3071c0ef909b..564268fca07a 100644
--- a/drivers/usb/misc/adutux.c
+++ b/drivers/usb/misc/adutux.c
@@ -672,8 +672,7 @@ static int adu_probe(struct usb_interface *interface,
/* allocate memory for our device state and initialize it */
dev = kzalloc(sizeof(struct adu_device), GFP_KERNEL);
- if (dev == NULL) {
- dev_err(&interface->dev, "Out of memory\n");
+ if (!dev) {
retval = -ENOMEM;
goto exit;
}
@@ -710,7 +709,6 @@ static int adu_probe(struct usb_interface *interface,
dev->read_buffer_primary = kmalloc((4 * in_end_size), GFP_KERNEL);
if (!dev->read_buffer_primary) {
- dev_err(&interface->dev, "Couldn't allocate read_buffer_primary\n");
retval = -ENOMEM;
goto error;
}
@@ -723,7 +721,6 @@ static int adu_probe(struct usb_interface *interface,
dev->read_buffer_secondary = kmalloc((4 * in_end_size), GFP_KERNEL);
if (!dev->read_buffer_secondary) {
- dev_err(&interface->dev, "Couldn't allocate read_buffer_secondary\n");
retval = -ENOMEM;
goto error;
}
@@ -735,29 +732,21 @@ static int adu_probe(struct usb_interface *interface,
memset(dev->read_buffer_secondary + (3 * in_end_size), 'h', in_end_size);
dev->interrupt_in_buffer = kmalloc(in_end_size, GFP_KERNEL);
- if (!dev->interrupt_in_buffer) {
- dev_err(&interface->dev, "Couldn't allocate interrupt_in_buffer\n");
+ if (!dev->interrupt_in_buffer)
goto error;
- }
/* debug code prime the buffer */
memset(dev->interrupt_in_buffer, 'i', in_end_size);
dev->interrupt_in_urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!dev->interrupt_in_urb) {
- dev_err(&interface->dev, "Couldn't allocate interrupt_in_urb\n");
+ if (!dev->interrupt_in_urb)
goto error;
- }
dev->interrupt_out_buffer = kmalloc(out_end_size, GFP_KERNEL);
- if (!dev->interrupt_out_buffer) {
- dev_err(&interface->dev, "Couldn't allocate interrupt_out_buffer\n");
+ if (!dev->interrupt_out_buffer)
goto error;
- }
dev->interrupt_out_urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!dev->interrupt_out_urb) {
- dev_err(&interface->dev, "Couldn't allocate interrupt_out_urb\n");
+ if (!dev->interrupt_out_urb)
goto error;
- }
if (!usb_string(udev, udev->descriptor.iSerialNumber, dev->serial_number,
sizeof(dev->serial_number))) {
diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c
index a0a3827b4aff..da5ff401a354 100644
--- a/drivers/usb/misc/appledisplay.c
+++ b/drivers/usb/misc/appledisplay.c
@@ -85,7 +85,6 @@ struct appledisplay {
};
static atomic_t count_displays = ATOMIC_INIT(0);
-static struct workqueue_struct *wq;
static void appledisplay_complete(struct urb *urb)
{
@@ -122,7 +121,7 @@ static void appledisplay_complete(struct urb *urb)
case ACD_BTN_BRIGHT_UP:
case ACD_BTN_BRIGHT_DOWN:
pdata->button_pressed = 1;
- queue_delayed_work(wq, &pdata->work, 0);
+ schedule_delayed_work(&pdata->work, 0);
break;
case ACD_BTN_NONE:
default:
@@ -239,7 +238,6 @@ static int appledisplay_probe(struct usb_interface *iface,
pdata = kzalloc(sizeof(struct appledisplay), GFP_KERNEL);
if (!pdata) {
retval = -ENOMEM;
- dev_err(&iface->dev, "Out of memory\n");
goto error;
}
@@ -253,8 +251,6 @@ static int appledisplay_probe(struct usb_interface *iface,
pdata->msgdata = kmalloc(ACD_MSG_BUFFER_LEN, GFP_KERNEL);
if (!pdata->msgdata) {
retval = -ENOMEM;
- dev_err(&iface->dev,
- "Allocating buffer for control messages failed\n");
goto error;
}
@@ -262,7 +258,6 @@ static int appledisplay_probe(struct usb_interface *iface,
pdata->urb = usb_alloc_urb(0, GFP_KERNEL);
if (!pdata->urb) {
retval = -ENOMEM;
- dev_err(&iface->dev, "Allocating URB failed\n");
goto error;
}
@@ -344,7 +339,7 @@ static void appledisplay_disconnect(struct usb_interface *iface)
if (pdata) {
usb_kill_urb(pdata->urb);
- cancel_delayed_work(&pdata->work);
+ cancel_delayed_work_sync(&pdata->work);
backlight_device_unregister(pdata->bd);
usb_free_coherent(pdata->udev, ACD_URB_BUFFER_LEN,
pdata->urbdata, pdata->urb->transfer_dma);
@@ -365,19 +360,11 @@ static struct usb_driver appledisplay_driver = {
static int __init appledisplay_init(void)
{
- wq = create_singlethread_workqueue("appledisplay");
- if (!wq) {
- printk(KERN_ERR "appledisplay: Could not create work queue\n");
- return -ENOMEM;
- }
-
return usb_register(&appledisplay_driver);
}
static void __exit appledisplay_exit(void)
{
- flush_workqueue(wq);
- destroy_workqueue(wq);
usb_deregister(&appledisplay_driver);
}
diff --git a/drivers/usb/misc/cypress_cy7c63.c b/drivers/usb/misc/cypress_cy7c63.c
index 402b94dd2531..5c93a888c40e 100644
--- a/drivers/usb/misc/cypress_cy7c63.c
+++ b/drivers/usb/misc/cypress_cy7c63.c
@@ -79,7 +79,6 @@ static int vendor_command(struct cypress *dev, unsigned char request,
/* allocate some memory for the i/o buffer*/
iobuf = kzalloc(CYPRESS_MAX_REQSIZE, GFP_KERNEL);
if (!iobuf) {
- dev_err(&dev->udev->dev, "Out of memory!\n");
retval = -ENOMEM;
goto error;
}
@@ -208,10 +207,8 @@ static int cypress_probe(struct usb_interface *interface,
/* allocate memory for our device state and initialize it */
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
- if (dev == NULL) {
- dev_err(&interface->dev, "Out of memory!\n");
+ if (!dev)
goto error_mem;
- }
dev->udev = usb_get_dev(interface_to_usbdev(interface));
diff --git a/drivers/usb/misc/cytherm.c b/drivers/usb/misc/cytherm.c
index 9bab1a33bc16..9d8bb8dacdcd 100644
--- a/drivers/usb/misc/cytherm.c
+++ b/drivers/usb/misc/cytherm.c
@@ -101,10 +101,8 @@ static ssize_t set_brightness(struct device *dev, struct device_attribute *attr,
int retval;
buffer = kmalloc(8, GFP_KERNEL);
- if (!buffer) {
- dev_err(&cytherm->udev->dev, "out of memory\n");
+ if (!buffer)
return 0;
- }
cytherm->brightness = simple_strtoul(buf, NULL, 10);
@@ -148,10 +146,8 @@ static ssize_t show_temp(struct device *dev, struct device_attribute *attr, char
int temp, sign;
buffer = kmalloc(8, GFP_KERNEL);
- if (!buffer) {
- dev_err(&cytherm->udev->dev, "out of memory\n");
+ if (!buffer)
return 0;
- }
/* read temperature */
retval = vendor_command(cytherm->udev, READ_RAM, TEMP, 0, buffer, 8);
@@ -192,10 +188,8 @@ static ssize_t show_button(struct device *dev, struct device_attribute *attr, ch
unsigned char *buffer;
buffer = kmalloc(8, GFP_KERNEL);
- if (!buffer) {
- dev_err(&cytherm->udev->dev, "out of memory\n");
+ if (!buffer)
return 0;
- }
/* check button */
retval = vendor_command(cytherm->udev, READ_RAM, BUTTON, 0, buffer, 8);
@@ -230,10 +224,8 @@ static ssize_t show_port0(struct device *dev, struct device_attribute *attr, cha
unsigned char *buffer;
buffer = kmalloc(8, GFP_KERNEL);
- if (!buffer) {
- dev_err(&cytherm->udev->dev, "out of memory\n");
+ if (!buffer)
return 0;
- }
retval = vendor_command(cytherm->udev, READ_PORT, 0, 0, buffer, 8);
if (retval)
@@ -257,10 +249,8 @@ static ssize_t set_port0(struct device *dev, struct device_attribute *attr, cons
int tmp;
buffer = kmalloc(8, GFP_KERNEL);
- if (!buffer) {
- dev_err(&cytherm->udev->dev, "out of memory\n");
+ if (!buffer)
return 0;
- }
tmp = simple_strtoul(buf, NULL, 10);
@@ -290,10 +280,8 @@ static ssize_t show_port1(struct device *dev, struct device_attribute *attr, cha
unsigned char *buffer;
buffer = kmalloc(8, GFP_KERNEL);
- if (!buffer) {
- dev_err(&cytherm->udev->dev, "out of memory\n");
+ if (!buffer)
return 0;
- }
retval = vendor_command(cytherm->udev, READ_PORT, 1, 0, buffer, 8);
if (retval)
@@ -317,10 +305,8 @@ static ssize_t set_port1(struct device *dev, struct device_attribute *attr, cons
int tmp;
buffer = kmalloc(8, GFP_KERNEL);
- if (!buffer) {
- dev_err(&cytherm->udev->dev, "out of memory\n");
+ if (!buffer)
return 0;
- }
tmp = simple_strtoul(buf, NULL, 10);
@@ -351,10 +337,8 @@ static int cytherm_probe(struct usb_interface *interface,
int retval = -ENOMEM;
dev = kzalloc (sizeof(struct usb_cytherm), GFP_KERNEL);
- if (dev == NULL) {
- dev_err (&interface->dev, "Out of memory\n");
+ if (!dev)
goto error_mem;
- }
dev->udev = usb_get_dev(udev);
diff --git a/drivers/usb/misc/ezusb.c b/drivers/usb/misc/ezusb.c
index 947811bc8126..837208f14f86 100644
--- a/drivers/usb/misc/ezusb.c
+++ b/drivers/usb/misc/ezusb.c
@@ -22,7 +22,7 @@ struct ezusb_fx_type {
unsigned short max_internal_adress;
};
-static struct ezusb_fx_type ezusb_fx1 = {
+static const struct ezusb_fx_type ezusb_fx1 = {
.cpucs_reg = 0x7F92,
.max_internal_adress = 0x1B3F,
};
diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c
index 52c27cab78c3..9a82f8308ad7 100644
--- a/drivers/usb/misc/ftdi-elan.c
+++ b/drivers/usb/misc/ftdi-elan.c
@@ -61,9 +61,6 @@ module_param(distrust_firmware, bool, 0);
MODULE_PARM_DESC(distrust_firmware,
"true to distrust firmware power/overcurrent setup");
extern struct platform_driver u132_platform_driver;
-static struct workqueue_struct *status_queue;
-static struct workqueue_struct *command_queue;
-static struct workqueue_struct *respond_queue;
/*
* ftdi_module_lock exists to protect access to global variables
*
@@ -228,56 +225,56 @@ static void ftdi_elan_init_kref(struct usb_ftdi *ftdi)
static void ftdi_status_requeue_work(struct usb_ftdi *ftdi, unsigned int delta)
{
- if (!queue_delayed_work(status_queue, &ftdi->status_work, delta))
+ if (!schedule_delayed_work(&ftdi->status_work, delta))
kref_put(&ftdi->kref, ftdi_elan_delete);
}
static void ftdi_status_queue_work(struct usb_ftdi *ftdi, unsigned int delta)
{
- if (queue_delayed_work(status_queue, &ftdi->status_work, delta))
+ if (schedule_delayed_work(&ftdi->status_work, delta))
kref_get(&ftdi->kref);
}
static void ftdi_status_cancel_work(struct usb_ftdi *ftdi)
{
- if (cancel_delayed_work(&ftdi->status_work))
+ if (cancel_delayed_work_sync(&ftdi->status_work))
kref_put(&ftdi->kref, ftdi_elan_delete);
}
static void ftdi_command_requeue_work(struct usb_ftdi *ftdi, unsigned int delta)
{
- if (!queue_delayed_work(command_queue, &ftdi->command_work, delta))
+ if (!schedule_delayed_work(&ftdi->command_work, delta))
kref_put(&ftdi->kref, ftdi_elan_delete);
}
static void ftdi_command_queue_work(struct usb_ftdi *ftdi, unsigned int delta)
{
- if (queue_delayed_work(command_queue, &ftdi->command_work, delta))
+ if (schedule_delayed_work(&ftdi->command_work, delta))
kref_get(&ftdi->kref);
}
static void ftdi_command_cancel_work(struct usb_ftdi *ftdi)
{
- if (cancel_delayed_work(&ftdi->command_work))
+ if (cancel_delayed_work_sync(&ftdi->command_work))
kref_put(&ftdi->kref, ftdi_elan_delete);
}
static void ftdi_response_requeue_work(struct usb_ftdi *ftdi,
unsigned int delta)
{
- if (!queue_delayed_work(respond_queue, &ftdi->respond_work, delta))
+ if (!schedule_delayed_work(&ftdi->respond_work, delta))
kref_put(&ftdi->kref, ftdi_elan_delete);
}
static void ftdi_respond_queue_work(struct usb_ftdi *ftdi, unsigned int delta)
{
- if (queue_delayed_work(respond_queue, &ftdi->respond_work, delta))
+ if (schedule_delayed_work(&ftdi->respond_work, delta))
kref_get(&ftdi->kref);
}
static void ftdi_response_cancel_work(struct usb_ftdi *ftdi)
{
- if (cancel_delayed_work(&ftdi->respond_work))
+ if (cancel_delayed_work_sync(&ftdi->respond_work))
kref_put(&ftdi->kref, ftdi_elan_delete);
}
@@ -665,7 +662,7 @@ static ssize_t ftdi_elan_read(struct file *file, char __user *buffer,
{
char data[30 *3 + 4];
char *d = data;
- int m = (sizeof(data) - 1) / 3;
+ int m = (sizeof(data) - 1) / 3 - 1;
int bytes_read = 0;
int retry_on_empty = 10;
int retry_on_timeout = 5;
@@ -785,11 +782,8 @@ static int ftdi_elan_command_engine(struct usb_ftdi *ftdi)
return 0;
total_size = ftdi_elan_total_command_size(ftdi, command_size);
urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!urb) {
- dev_err(&ftdi->udev->dev, "could not get a urb to write %d commands totaling %d bytes to the Uxxx\n",
- command_size, total_size);
+ if (!urb)
return -ENOMEM;
- }
buf = usb_alloc_coherent(ftdi->udev, total_size, GFP_KERNEL,
&urb->transfer_dma);
if (!buf) {
@@ -1684,7 +1678,7 @@ wait:if (ftdi->disconnected > 0) {
int i = 0;
char data[30 *3 + 4];
char *d = data;
- int m = (sizeof(data) - 1) / 3;
+ int m = (sizeof(data) - 1) / 3 - 1;
int l = 0;
struct u132_target *target = &ftdi->target[ed];
struct u132_command *command = &ftdi->command[
@@ -1876,7 +1870,7 @@ more:{
if (packet_bytes > 2) {
char diag[30 *3 + 4];
char *d = diag;
- int m = (sizeof(diag) - 1) / 3;
+ int m = (sizeof(diag) - 1) / 3 - 1;
char *b = ftdi->bulk_in_buffer;
int bytes_read = 0;
diag[0] = 0;
@@ -1948,10 +1942,8 @@ static int ftdi_elan_synchronize_flush(struct usb_ftdi *ftdi)
int I = 257;
int i = 0;
urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!urb) {
- dev_err(&ftdi->udev->dev, "could not alloc a urb for flush sequence\n");
+ if (!urb)
return -ENOMEM;
- }
buf = usb_alloc_coherent(ftdi->udev, I, GFP_KERNEL, &urb->transfer_dma);
if (!buf) {
dev_err(&ftdi->udev->dev, "could not get a buffer for flush sequence\n");
@@ -1988,10 +1980,8 @@ static int ftdi_elan_synchronize_reset(struct usb_ftdi *ftdi)
int I = 4;
int i = 0;
urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!urb) {
- dev_err(&ftdi->udev->dev, "could not get a urb for the reset sequence\n");
+ if (!urb)
return -ENOMEM;
- }
buf = usb_alloc_coherent(ftdi->udev, I, GFP_KERNEL, &urb->transfer_dma);
if (!buf) {
dev_err(&ftdi->udev->dev, "could not get a buffer for the reset sequence\n");
@@ -2053,7 +2043,7 @@ static int ftdi_elan_synchronize(struct usb_ftdi *ftdi)
if (packet_bytes > 2) {
char diag[30 *3 + 4];
char *d = diag;
- int m = (sizeof(diag) - 1) / 3;
+ int m = (sizeof(diag) - 1) / 3 - 1;
char *b = ftdi->bulk_in_buffer;
int bytes_read = 0;
unsigned char c = 0;
@@ -2155,7 +2145,7 @@ more:{
if (packet_bytes > 2) {
char diag[30 *3 + 4];
char *d = diag;
- int m = (sizeof(diag) - 1) / 3;
+ int m = (sizeof(diag) - 1) / 3 - 1;
char *b = ftdi->bulk_in_buffer;
int bytes_read = 0;
diag[0] = 0;
@@ -2740,7 +2730,6 @@ static int ftdi_elan_probe(struct usb_interface *interface,
ftdi->bulk_in_endpointAddr = endpoint->bEndpointAddress;
ftdi->bulk_in_buffer = kmalloc(buffer_size, GFP_KERNEL);
if (!ftdi->bulk_in_buffer) {
- dev_err(&ftdi->udev->dev, "Could not allocate bulk_in_buffer\n");
retval = -ENOMEM;
goto error;
}
@@ -2823,9 +2812,6 @@ static void ftdi_elan_disconnect(struct usb_interface *interface)
ftdi->initialized = 0;
ftdi->registered = 0;
}
- flush_workqueue(status_queue);
- flush_workqueue(command_queue);
- flush_workqueue(respond_queue);
ftdi->disconnected += 1;
usb_set_intfdata(interface, NULL);
dev_info(&ftdi->udev->dev, "USB FTDI U132 host controller interface now disconnected\n");
@@ -2845,31 +2831,12 @@ static int __init ftdi_elan_init(void)
pr_info("driver %s\n", ftdi_elan_driver.name);
mutex_init(&ftdi_module_lock);
INIT_LIST_HEAD(&ftdi_static_list);
- status_queue = create_singlethread_workqueue("ftdi-status-control");
- if (!status_queue)
- goto err_status_queue;
- command_queue = create_singlethread_workqueue("ftdi-command-engine");
- if (!command_queue)
- goto err_command_queue;
- respond_queue = create_singlethread_workqueue("ftdi-respond-engine");
- if (!respond_queue)
- goto err_respond_queue;
result = usb_register(&ftdi_elan_driver);
if (result) {
- destroy_workqueue(status_queue);
- destroy_workqueue(command_queue);
- destroy_workqueue(respond_queue);
pr_err("usb_register failed. Error number %d\n", result);
}
return result;
-err_respond_queue:
- destroy_workqueue(command_queue);
-err_command_queue:
- destroy_workqueue(status_queue);
-err_status_queue:
- pr_err("%s couldn't create workqueue\n", ftdi_elan_driver.name);
- return -ENOMEM;
}
static void __exit ftdi_elan_exit(void)
@@ -2882,15 +2849,7 @@ static void __exit ftdi_elan_exit(void)
ftdi_status_cancel_work(ftdi);
ftdi_command_cancel_work(ftdi);
ftdi_response_cancel_work(ftdi);
- } flush_workqueue(status_queue);
- destroy_workqueue(status_queue);
- status_queue = NULL;
- flush_workqueue(command_queue);
- destroy_workqueue(command_queue);
- command_queue = NULL;
- flush_workqueue(respond_queue);
- destroy_workqueue(respond_queue);
- respond_queue = NULL;
+ }
}
diff --git a/drivers/usb/misc/idmouse.c b/drivers/usb/misc/idmouse.c
index 5105397e62fc..2975e80b7a56 100644
--- a/drivers/usb/misc/idmouse.c
+++ b/drivers/usb/misc/idmouse.c
@@ -366,7 +366,6 @@ static int idmouse_probe(struct usb_interface *interface,
kmalloc(IMGSIZE + dev->bulk_in_size, GFP_KERNEL);
if (!dev->bulk_in_buffer) {
- dev_err(&interface->dev, "Unable to allocate input buffer.\n");
idmouse_delete(dev);
return -ENOMEM;
}
diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
index 1950e87b4219..095778ff984d 100644
--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -278,7 +278,7 @@ static ssize_t iowarrior_read(struct file *file, char __user *buffer,
dev = file->private_data;
/* verify that the device wasn't unplugged */
- if (dev == NULL || !dev->present)
+ if (!dev || !dev->present)
return -ENODEV;
dev_dbg(&dev->interface->dev, "minor %d, count = %zd\n",
@@ -413,8 +413,6 @@ static ssize_t iowarrior_write(struct file *file,
int_out_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!int_out_urb) {
retval = -ENOMEM;
- dev_dbg(&dev->interface->dev,
- "Unable to allocate urb\n");
goto error_no_urb;
}
buf = usb_alloc_coherent(dev->udev, dev->report_size,
@@ -482,9 +480,8 @@ static long iowarrior_ioctl(struct file *file, unsigned int cmd,
int io_res; /* checks for bytes read/written and copy_to/from_user results */
dev = file->private_data;
- if (dev == NULL) {
+ if (!dev)
return -ENODEV;
- }
buffer = kzalloc(dev->report_size, GFP_KERNEL);
if (!buffer)
@@ -654,9 +651,8 @@ static int iowarrior_release(struct inode *inode, struct file *file)
int retval = 0;
dev = file->private_data;
- if (dev == NULL) {
+ if (!dev)
return -ENODEV;
- }
dev_dbg(&dev->interface->dev, "minor %d\n", dev->minor);
@@ -766,10 +762,8 @@ static int iowarrior_probe(struct usb_interface *interface,
/* allocate memory for our device state and initialize it */
dev = kzalloc(sizeof(struct iowarrior), GFP_KERNEL);
- if (dev == NULL) {
- dev_err(&interface->dev, "Out of memory\n");
+ if (!dev)
return retval;
- }
mutex_init(&dev->mutex);
@@ -812,15 +806,11 @@ static int iowarrior_probe(struct usb_interface *interface,
/* create the urb and buffer for reading */
dev->int_in_urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!dev->int_in_urb) {
- dev_err(&interface->dev, "Couldn't allocate interrupt_in_urb\n");
+ if (!dev->int_in_urb)
goto error;
- }
dev->int_in_buffer = kmalloc(dev->report_size, GFP_KERNEL);
- if (!dev->int_in_buffer) {
- dev_err(&interface->dev, "Couldn't allocate int_in_buffer\n");
+ if (!dev->int_in_buffer)
goto error;
- }
usb_fill_int_urb(dev->int_in_urb, dev->udev,
usb_rcvintpipe(dev->udev,
dev->int_in_endpoint->bEndpointAddress),
@@ -831,10 +821,8 @@ static int iowarrior_probe(struct usb_interface *interface,
dev->read_queue =
kmalloc(((dev->report_size + 1) * MAX_INTERRUPT_BUFFER),
GFP_KERNEL);
- if (!dev->read_queue) {
- dev_err(&interface->dev, "Couldn't allocate read_queue\n");
+ if (!dev->read_queue)
goto error;
- }
/* Get the serial-number of the chip */
memset(dev->chip_serial, 0x00, sizeof(dev->chip_serial));
usb_string(udev, udev->descriptor.iSerialNumber, dev->chip_serial,
diff --git a/drivers/usb/misc/ldusb.c b/drivers/usb/misc/ldusb.c
index cce22ff1c2eb..9ca595632f17 100644
--- a/drivers/usb/misc/ldusb.c
+++ b/drivers/usb/misc/ldusb.c
@@ -658,10 +658,8 @@ static int ld_usb_probe(struct usb_interface *intf, const struct usb_device_id *
/* allocate memory for our device state and initialize it */
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
- if (dev == NULL) {
- dev_err(&intf->dev, "Out of memory\n");
+ if (!dev)
goto exit;
- }
mutex_init(&dev->mutex);
spin_lock_init(&dev->rbsl);
dev->intf = intf;
@@ -674,10 +672,8 @@ static int ld_usb_probe(struct usb_interface *intf, const struct usb_device_id *
(le16_to_cpu(udev->descriptor.idProduct) == USB_DEVICE_ID_LD_COM3LAB)) &&
(le16_to_cpu(udev->descriptor.bcdDevice) <= 0x103)) {
buffer = kmalloc(256, GFP_KERNEL);
- if (buffer == NULL) {
- dev_err(&intf->dev, "Couldn't allocate string buffer\n");
+ if (!buffer)
goto error;
- }
/* usb_string makes SETUP+STALL to leave always ControlReadLoop */
usb_string(udev, 255, buffer, 256);
kfree(buffer);
@@ -704,32 +700,22 @@ static int ld_usb_probe(struct usb_interface *intf, const struct usb_device_id *
dev->interrupt_in_endpoint_size = usb_endpoint_maxp(dev->interrupt_in_endpoint);
dev->ring_buffer = kmalloc(ring_buffer_size*(sizeof(size_t)+dev->interrupt_in_endpoint_size), GFP_KERNEL);
- if (!dev->ring_buffer) {
- dev_err(&intf->dev, "Couldn't allocate ring_buffer\n");
+ if (!dev->ring_buffer)
goto error;
- }
dev->interrupt_in_buffer = kmalloc(dev->interrupt_in_endpoint_size, GFP_KERNEL);
- if (!dev->interrupt_in_buffer) {
- dev_err(&intf->dev, "Couldn't allocate interrupt_in_buffer\n");
+ if (!dev->interrupt_in_buffer)
goto error;
- }
dev->interrupt_in_urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!dev->interrupt_in_urb) {
- dev_err(&intf->dev, "Couldn't allocate interrupt_in_urb\n");
+ if (!dev->interrupt_in_urb)
goto error;
- }
dev->interrupt_out_endpoint_size = dev->interrupt_out_endpoint ? usb_endpoint_maxp(dev->interrupt_out_endpoint) :
udev->descriptor.bMaxPacketSize0;
dev->interrupt_out_buffer = kmalloc(write_buffer_size*dev->interrupt_out_endpoint_size, GFP_KERNEL);
- if (!dev->interrupt_out_buffer) {
- dev_err(&intf->dev, "Couldn't allocate interrupt_out_buffer\n");
+ if (!dev->interrupt_out_buffer)
goto error;
- }
dev->interrupt_out_urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!dev->interrupt_out_urb) {
- dev_err(&intf->dev, "Couldn't allocate interrupt_out_urb\n");
+ if (!dev->interrupt_out_urb)
goto error;
- }
dev->interrupt_in_interval = min_interrupt_in_interval > dev->interrupt_in_endpoint->bInterval ? min_interrupt_in_interval : dev->interrupt_in_endpoint->bInterval;
if (dev->interrupt_out_endpoint)
dev->interrupt_out_interval = min_interrupt_out_interval > dev->interrupt_out_endpoint->bInterval ? min_interrupt_out_interval : dev->interrupt_out_endpoint->bInterval;
diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c
index 7771be3ac178..c8fbe7b739a0 100644
--- a/drivers/usb/misc/legousbtower.c
+++ b/drivers/usb/misc/legousbtower.c
@@ -817,10 +817,8 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device
dev = kmalloc (sizeof(struct lego_usb_tower), GFP_KERNEL);
- if (dev == NULL) {
- dev_err(idev, "Out of memory\n");
+ if (!dev)
goto exit;
- }
mutex_init(&dev->lock);
@@ -871,51 +869,23 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device
}
dev->read_buffer = kmalloc (read_buffer_size, GFP_KERNEL);
- if (!dev->read_buffer) {
- dev_err(idev, "Couldn't allocate read_buffer\n");
+ if (!dev->read_buffer)
goto error;
- }
dev->interrupt_in_buffer = kmalloc (usb_endpoint_maxp(dev->interrupt_in_endpoint), GFP_KERNEL);
- if (!dev->interrupt_in_buffer) {
- dev_err(idev, "Couldn't allocate interrupt_in_buffer\n");
+ if (!dev->interrupt_in_buffer)
goto error;
- }
dev->interrupt_in_urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!dev->interrupt_in_urb) {
- dev_err(idev, "Couldn't allocate interrupt_in_urb\n");
+ if (!dev->interrupt_in_urb)
goto error;
- }
dev->interrupt_out_buffer = kmalloc (write_buffer_size, GFP_KERNEL);
- if (!dev->interrupt_out_buffer) {
- dev_err(idev, "Couldn't allocate interrupt_out_buffer\n");
+ if (!dev->interrupt_out_buffer)
goto error;
- }
dev->interrupt_out_urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!dev->interrupt_out_urb) {
- dev_err(idev, "Couldn't allocate interrupt_out_urb\n");
+ if (!dev->interrupt_out_urb)
goto error;
- }
dev->interrupt_in_interval = interrupt_in_interval ? interrupt_in_interval : dev->interrupt_in_endpoint->bInterval;
dev->interrupt_out_interval = interrupt_out_interval ? interrupt_out_interval : dev->interrupt_out_endpoint->bInterval;
- /* we can register the device now, as it is ready */
- usb_set_intfdata (interface, dev);
-
- retval = usb_register_dev (interface, &tower_class);
-
- if (retval) {
- /* something prevented us from registering this driver */
- dev_err(idev, "Not able to get a minor for this device.\n");
- usb_set_intfdata (interface, NULL);
- goto error;
- }
- dev->minor = interface->minor;
-
- /* let the user know what node this device is now attached to */
- dev_info(&interface->dev, "LEGO USB Tower #%d now attached to major "
- "%d minor %d\n", (dev->minor - LEGO_USB_TOWER_MINOR_BASE),
- USB_MAJOR, dev->minor);
-
/* get the firmware version and log it */
result = usb_control_msg (udev,
usb_rcvctrlpipe(udev, 0),
@@ -936,6 +906,23 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device
get_version_reply.minor,
le16_to_cpu(get_version_reply.build_no));
+ /* we can register the device now, as it is ready */
+ usb_set_intfdata (interface, dev);
+
+ retval = usb_register_dev (interface, &tower_class);
+
+ if (retval) {
+ /* something prevented us from registering this driver */
+ dev_err(idev, "Not able to get a minor for this device.\n");
+ usb_set_intfdata (interface, NULL);
+ goto error;
+ }
+ dev->minor = interface->minor;
+
+ /* let the user know what node this device is now attached to */
+ dev_info(&interface->dev, "LEGO USB Tower #%d now attached to major "
+ "%d minor %d\n", (dev->minor - LEGO_USB_TOWER_MINOR_BASE),
+ USB_MAJOR, dev->minor);
exit:
return retval;
diff --git a/drivers/usb/misc/lvstest.c b/drivers/usb/misc/lvstest.c
index 86b4e4b2ab9a..77176511658f 100644
--- a/drivers/usb/misc/lvstest.c
+++ b/drivers/usb/misc/lvstest.c
@@ -34,8 +34,6 @@ struct lvs_rh {
struct usb_hub_descriptor descriptor;
/* urb for polling interrupt pipe */
struct urb *urb;
- /* LVS RH work queue */
- struct workqueue_struct *rh_queue;
/* LVH RH work */
struct work_struct rh_work;
/* RH port status */
@@ -247,10 +245,8 @@ static ssize_t get_dev_desc_store(struct device *dev,
int ret;
descriptor = kmalloc(sizeof(*descriptor), GFP_KERNEL);
- if (!descriptor) {
- dev_err(dev, "failed to allocate descriptor memory\n");
+ if (!descriptor)
return -ENOMEM;
- }
udev = create_lvs_device(intf);
if (!udev) {
@@ -355,7 +351,7 @@ static void lvs_rh_irq(struct urb *urb)
{
struct lvs_rh *lvs = urb->context;
- queue_work(lvs->rh_queue, &lvs->rh_work);
+ schedule_work(&lvs->rh_work);
}
static int lvs_rh_probe(struct usb_interface *intf,
@@ -397,24 +393,15 @@ static int lvs_rh_probe(struct usb_interface *intf,
/* submit urb to poll interrupt endpoint */
lvs->urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!lvs->urb) {
- dev_err(&intf->dev, "couldn't allocate lvs urb\n");
+ if (!lvs->urb)
return -ENOMEM;
- }
-
- lvs->rh_queue = create_singlethread_workqueue("lvs_rh_queue");
- if (!lvs->rh_queue) {
- dev_err(&intf->dev, "couldn't create workqueue\n");
- ret = -ENOMEM;
- goto free_urb;
- }
INIT_WORK(&lvs->rh_work, lvs_rh_work);
ret = sysfs_create_group(&intf->dev.kobj, &lvs_attr_group);
if (ret < 0) {
dev_err(&intf->dev, "Failed to create sysfs node %d\n", ret);
- goto destroy_queue;
+ goto free_urb;
}
pipe = usb_rcvintpipe(hdev, endpoint->bEndpointAddress);
@@ -432,8 +419,6 @@ static int lvs_rh_probe(struct usb_interface *intf,
sysfs_remove:
sysfs_remove_group(&intf->dev.kobj, &lvs_attr_group);
-destroy_queue:
- destroy_workqueue(lvs->rh_queue);
free_urb:
usb_free_urb(lvs->urb);
return ret;
@@ -444,7 +429,7 @@ static void lvs_rh_disconnect(struct usb_interface *intf)
struct lvs_rh *lvs = usb_get_intfdata(intf);
sysfs_remove_group(&intf->dev.kobj, &lvs_attr_group);
- destroy_workqueue(lvs->rh_queue);
+ flush_work(&lvs->rh_work);
usb_free_urb(lvs->urb);
}
diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c
index 02abfcdfbf7b..05bd39d62568 100644
--- a/drivers/usb/misc/sisusbvga/sisusb.c
+++ b/drivers/usb/misc/sisusbvga/sisusb.c
@@ -3084,7 +3084,6 @@ static int sisusb_probe(struct usb_interface *intf,
/* Allocate URBs */
sisusb->sisurbin = usb_alloc_urb(0, GFP_KERNEL);
if (!sisusb->sisurbin) {
- dev_err(&sisusb->sisusb_dev->dev, "Failed to allocate URBs\n");
retval = -ENOMEM;
goto error_3;
}
@@ -3093,8 +3092,6 @@ static int sisusb_probe(struct usb_interface *intf,
for (i = 0; i < sisusb->numobufs; i++) {
sisusb->sisurbout[i] = usb_alloc_urb(0, GFP_KERNEL);
if (!sisusb->sisurbout[i]) {
- dev_err(&sisusb->sisusb_dev->dev,
- "Failed to allocate URBs\n");
retval = -ENOMEM;
goto error_4;
}
diff --git a/drivers/usb/misc/trancevibrator.c b/drivers/usb/misc/trancevibrator.c
index 4145314a515b..9795457723d8 100644
--- a/drivers/usb/misc/trancevibrator.c
+++ b/drivers/usb/misc/trancevibrator.c
@@ -95,8 +95,7 @@ static int tv_probe(struct usb_interface *interface,
int retval;
dev = kzalloc(sizeof(struct trancevibrator), GFP_KERNEL);
- if (dev == NULL) {
- dev_err(&interface->dev, "Out of memory\n");
+ if (!dev) {
retval = -ENOMEM;
goto error;
}
diff --git a/drivers/usb/misc/usb4604.c b/drivers/usb/misc/usb4604.c
new file mode 100644
index 000000000000..e9f37fb746ac
--- /dev/null
+++ b/drivers/usb/misc/usb4604.c
@@ -0,0 +1,175 @@
+/*
+ * Driver for SMSC USB4604 USB HSIC 4-port 2.0 hub controller driver
+ * Based on usb3503 driver
+ *
+ * Copyright (c) 2012-2013 Dongjin Kim (tobetter@gmail.com)
+ * Copyright (c) 2016 Linaro Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/i2c.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/gpio/consumer.h>
+
+enum usb4604_mode {
+ USB4604_MODE_UNKNOWN,
+ USB4604_MODE_HUB,
+ USB4604_MODE_STANDBY,
+};
+
+struct usb4604 {
+ enum usb4604_mode mode;
+ struct device *dev;
+ struct gpio_desc *gpio_reset;
+};
+
+static void usb4604_reset(struct usb4604 *hub, int state)
+{
+ gpiod_set_value_cansleep(hub->gpio_reset, state);
+
+ /* Wait for i2c logic to come up */
+ if (state)
+ msleep(250);
+}
+
+static int usb4604_connect(struct usb4604 *hub)
+{
+ struct device *dev = hub->dev;
+ struct i2c_client *client = to_i2c_client(dev);
+ int err;
+ u8 connect_cmd[] = { 0xaa, 0x55, 0x00 };
+
+ usb4604_reset(hub, 1);
+
+ err = i2c_master_send(client, connect_cmd, ARRAY_SIZE(connect_cmd));
+ if (err < 0) {
+ usb4604_reset(hub, 0);
+ return err;
+ }
+
+ hub->mode = USB4604_MODE_HUB;
+ dev_dbg(dev, "switched to HUB mode\n");
+
+ return 0;
+}
+
+static int usb4604_switch_mode(struct usb4604 *hub, enum usb4604_mode mode)
+{
+ struct device *dev = hub->dev;
+ int err = 0;
+
+ switch (mode) {
+ case USB4604_MODE_HUB:
+ err = usb4604_connect(hub);
+ break;
+
+ case USB4604_MODE_STANDBY:
+ usb4604_reset(hub, 0);
+ dev_dbg(dev, "switched to STANDBY mode\n");
+ break;
+
+ default:
+ dev_err(dev, "unknown mode is requested\n");
+ err = -EINVAL;
+ break;
+ }
+
+ return err;
+}
+
+static int usb4604_probe(struct usb4604 *hub)
+{
+ struct device *dev = hub->dev;
+ struct device_node *np = dev->of_node;
+ struct gpio_desc *gpio;
+ u32 mode = USB4604_MODE_HUB;
+
+ gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
+ if (IS_ERR(gpio))
+ return PTR_ERR(gpio);
+ hub->gpio_reset = gpio;
+
+ if (of_property_read_u32(np, "initial-mode", &hub->mode))
+ hub->mode = mode;
+
+ return usb4604_switch_mode(hub, hub->mode);
+}
+
+static int usb4604_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct usb4604 *hub;
+
+ hub = devm_kzalloc(&i2c->dev, sizeof(*hub), GFP_KERNEL);
+ if (!hub)
+ return -ENOMEM;
+
+ i2c_set_clientdata(i2c, hub);
+ hub->dev = &i2c->dev;
+
+ return usb4604_probe(hub);
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int usb4604_i2c_suspend(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct usb4604 *hub = i2c_get_clientdata(client);
+
+ usb4604_switch_mode(hub, USB4604_MODE_STANDBY);
+
+ return 0;
+}
+
+static int usb4604_i2c_resume(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct usb4604 *hub = i2c_get_clientdata(client);
+
+ usb4604_switch_mode(hub, hub->mode);
+
+ return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(usb4604_i2c_pm_ops, usb4604_i2c_suspend,
+ usb4604_i2c_resume);
+
+static const struct i2c_device_id usb4604_id[] = {
+ { "usb4604", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, usb4604_id);
+
+#ifdef CONFIG_OF
+static const struct of_device_id usb4604_of_match[] = {
+ { .compatible = "smsc,usb4604" },
+ {}
+};
+MODULE_DEVICE_TABLE(of, usb4604_of_match);
+#endif
+
+static struct i2c_driver usb4604_i2c_driver = {
+ .driver = {
+ .name = "usb4604",
+ .pm = &usb4604_i2c_pm_ops,
+ .of_match_table = of_match_ptr(usb4604_of_match),
+ },
+ .probe = usb4604_i2c_probe,
+ .id_table = usb4604_id,
+};
+module_i2c_driver(usb4604_i2c_driver);
+
+MODULE_DESCRIPTION("USB4604 USB HUB driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/usb/misc/usblcd.c b/drivers/usb/misc/usblcd.c
index 1184390508e9..9f48419abc46 100644
--- a/drivers/usb/misc/usblcd.c
+++ b/drivers/usb/misc/usblcd.c
@@ -321,10 +321,8 @@ static int lcd_probe(struct usb_interface *interface,
/* allocate memory for our device state and initialize it */
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
- if (dev == NULL) {
- dev_err(&interface->dev, "Out of memory\n");
+ if (!dev)
goto error;
- }
kref_init(&dev->kref);
sema_init(&dev->limit_sem, USB_LCD_CONCURRENT_WRITES);
init_usb_anchor(&dev->submitted);
@@ -351,11 +349,8 @@ static int lcd_probe(struct usb_interface *interface,
dev->bulk_in_size = buffer_size;
dev->bulk_in_endpointAddr = endpoint->bEndpointAddress;
dev->bulk_in_buffer = kmalloc(buffer_size, GFP_KERNEL);
- if (!dev->bulk_in_buffer) {
- dev_err(&interface->dev,
- "Could not allocate bulk_in_buffer\n");
+ if (!dev->bulk_in_buffer)
goto error;
- }
}
if (!dev->bulk_out_endpointAddr &&
diff --git a/drivers/usb/misc/usbsevseg.c b/drivers/usb/misc/usbsevseg.c
index 1fe6b73c22f3..a0ba5298160c 100644
--- a/drivers/usb/misc/usbsevseg.c
+++ b/drivers/usb/misc/usbsevseg.c
@@ -128,10 +128,8 @@ static void update_display_visual(struct usb_sevsegdev *mydev, gfp_t mf)
return;
buffer = kzalloc(MAXLEN, mf);
- if (!buffer) {
- dev_err(&mydev->udev->dev, "out of memory\n");
+ if (!buffer)
return;
- }
/* The device is right to left, where as you write left to right */
for (i = 0; i < mydev->textlength; i++)
@@ -346,10 +344,8 @@ static int sevseg_probe(struct usb_interface *interface,
int rc = -ENOMEM;
mydev = kzalloc(sizeof(struct usb_sevsegdev), GFP_KERNEL);
- if (mydev == NULL) {
- dev_err(&interface->dev, "Out of memory\n");
+ if (!mydev)
goto error_mem;
- }
mydev->udev = usb_get_dev(udev);
mydev->intf = interface;
diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
index 6b978f04b8d7..5c8210dc6fd9 100644
--- a/drivers/usb/misc/usbtest.c
+++ b/drivers/usb/misc/usbtest.c
@@ -585,7 +585,6 @@ static void sg_timeout(unsigned long _req)
{
struct usb_sg_request *req = (struct usb_sg_request *) _req;
- req->status = -ETIMEDOUT;
usb_sg_cancel(req);
}
@@ -616,8 +615,10 @@ static int perform_sglist(
mod_timer(&sg_timer, jiffies +
msecs_to_jiffies(SIMPLE_IO_TIMEOUT));
usb_sg_wait(req);
- del_timer_sync(&sg_timer);
- retval = req->status;
+ if (!del_timer_sync(&sg_timer))
+ retval = -ETIMEDOUT;
+ else
+ retval = req->status;
/* FIXME check resulting data pattern */
@@ -2602,7 +2603,7 @@ usbtest_ioctl(struct usb_interface *intf, unsigned int code, void *buf)
ktime_get_ts64(&start);
retval = usbtest_do_ioctl(intf, param_32);
- if (retval)
+ if (retval < 0)
goto free_mutex;
ktime_get_ts64(&end);
diff --git a/drivers/usb/misc/uss720.c b/drivers/usb/misc/uss720.c
index bbd029c9c725..356d312add57 100644
--- a/drivers/usb/misc/uss720.c
+++ b/drivers/usb/misc/uss720.c
@@ -150,10 +150,8 @@ static struct uss720_async_request *submit_async_request(struct parport_uss720_p
if (!usbdev)
return NULL;
rq = kzalloc(sizeof(struct uss720_async_request), mem_flags);
- if (!rq) {
- dev_err(&usbdev->dev, "submit_async_request out of memory\n");
+ if (!rq)
return NULL;
- }
kref_init(&rq->ref_count);
INIT_LIST_HEAD(&rq->asynclist);
init_completion(&rq->compl);
@@ -162,7 +160,6 @@ static struct uss720_async_request *submit_async_request(struct parport_uss720_p
rq->urb = usb_alloc_urb(0, mem_flags);
if (!rq->urb) {
kref_put(&rq->ref_count, destroy_async);
- dev_err(&usbdev->dev, "submit_async_request out of memory\n");
return NULL;
}
rq->dr = kmalloc(sizeof(*rq->dr), mem_flags);
diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c
index 343fa6ff9f4b..54e53ac4c08f 100644
--- a/drivers/usb/misc/yurex.c
+++ b/drivers/usb/misc/yurex.c
@@ -200,10 +200,8 @@ static int yurex_probe(struct usb_interface *interface, const struct usb_device_
/* allocate memory for our device state and initialize it */
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
- if (!dev) {
- dev_err(&interface->dev, "Out of memory\n");
+ if (!dev)
goto error;
- }
kref_init(&dev->kref);
mutex_init(&dev->io_mutex);
spin_lock_init(&dev->lock);
@@ -231,17 +229,13 @@ static int yurex_probe(struct usb_interface *interface, const struct usb_device_
/* allocate control URB */
dev->cntl_urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!dev->cntl_urb) {
- dev_err(&interface->dev, "Could not allocate control URB\n");
+ if (!dev->cntl_urb)
goto error;
- }
/* allocate buffer for control req */
dev->cntl_req = kmalloc(YUREX_BUF_SIZE, GFP_KERNEL);
- if (!dev->cntl_req) {
- dev_err(&interface->dev, "Could not allocate cntl_req\n");
+ if (!dev->cntl_req)
goto error;
- }
/* allocate buffer for control msg */
dev->cntl_buffer = usb_alloc_coherent(dev->udev, YUREX_BUF_SIZE,
@@ -269,10 +263,8 @@ static int yurex_probe(struct usb_interface *interface, const struct usb_device_
/* allocate interrupt URB */
dev->urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!dev->urb) {
- dev_err(&interface->dev, "Could not allocate URB\n");
+ if (!dev->urb)
goto error;
- }
/* allocate buffer for interrupt in */
dev->int_buffer = usb_alloc_coherent(dev->udev, YUREX_BUF_SIZE,
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-12 13:45:56 +0000