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authorOliver Neukum <oneukum@suse.com>2020-09-23 15:43:38 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-25 16:33:58 +0200
commitec4ed7dc58c6f1845098a46b97d51a5a08d67570 (patch)
tree0e8d96032a658cd91f4d75381e8ea3afbe84bc67 /sound/usb/line6/podhd.c
parentc31db08301277e23ab7366bd4cdfb212ac1a7cca (diff)
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Revert "sound: line6: move to use usb_control_msg_send() and usb_control_msg_recv()"
This reverts commit f7ef7614f89e943d7511ee121b0b849f27b60cb2. The API has to be changed. Signed-off-by: Oliver Neukum <oneukum@suse.com> Link: https://lore.kernel.org/r/20200923134348.23862-5-oneukum@suse.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound/usb/line6/podhd.c')
-rw-r--r--sound/usb/line6/podhd.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/sound/usb/line6/podhd.c b/sound/usb/line6/podhd.c
index a1261f55d62b..eef45f7fef0d 100644
--- a/sound/usb/line6/podhd.c
+++ b/sound/usb/line6/podhd.c
@@ -183,25 +183,29 @@ static const struct attribute_group podhd_dev_attr_group = {
static int podhd_dev_start(struct usb_line6_podhd *pod)
{
int ret;
- u8 init_bytes[8];
+ u8 *init_bytes;
int i;
struct usb_device *usbdev = pod->line6.usbdev;
- ret = usb_control_msg_send(usbdev, 0,
+ init_bytes = kmalloc(8, GFP_KERNEL);
+ if (!init_bytes)
+ return -ENOMEM;
+
+ ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0),
0x67, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
0x11, 0,
NULL, 0, LINE6_TIMEOUT * HZ);
- if (ret) {
+ if (ret < 0) {
dev_err(pod->line6.ifcdev, "read request failed (error %d)\n", ret);
goto exit;
}
/* NOTE: looks like some kind of ping message */
- ret = usb_control_msg_recv(usbdev, 0, 0x67,
+ ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
0x11, 0x0,
init_bytes, 3, LINE6_TIMEOUT * HZ);
- if (ret) {
+ if (ret < 0) {
dev_err(pod->line6.ifcdev,
"receive length failed (error %d)\n", ret);
goto exit;
@@ -216,12 +220,13 @@ static int podhd_dev_start(struct usb_line6_podhd *pod)
goto exit;
}
- ret = usb_control_msg_send(usbdev, 0,
+ ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0),
USB_REQ_SET_FEATURE,
USB_TYPE_STANDARD | USB_RECIP_DEVICE | USB_DIR_OUT,
1, 0,
NULL, 0, LINE6_TIMEOUT * HZ);
exit:
+ kfree(init_bytes);
return ret;
}