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authorDenis V. Lunev <den@openvz.org>2008-04-29 01:02:19 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-29 08:06:21 -0700
commitcdefa185dda6b2b267f088a7477e96d845bdc6c1 (patch)
tree95447a4c46352d6a353074873c11446e7c3c657f
parenta973909fc32be90884280b7a8cd2f2e093c97890 (diff)
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usb: use non-racy method for proc entries creation
Use proc_create()/proc_create_data() to make sure that ->proc_fops and ->data be setup before gluing PDE to main tree. Signed-off-by: Denis V. Lunev <den@openvz.org> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--drivers/usb/gadget/at91_udc.c11
-rw-r--r--drivers/usb/gadget/omap_udc.c7
-rw-r--r--drivers/usb/host/sl811-hcd.c10
3 files changed, 5 insertions, 23 deletions
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index 9b913afb2e6d..274c60a970cd 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -231,6 +231,7 @@ static int proc_udc_open(struct inode *inode, struct file *file)
}
static const struct file_operations proc_ops = {
+ .owner = THIS_MODULE,
.open = proc_udc_open,
.read = seq_read,
.llseek = seq_lseek,
@@ -239,15 +240,7 @@ static const struct file_operations proc_ops = {
static void create_debug_file(struct at91_udc *udc)
{
- struct proc_dir_entry *pde;
-
- pde = create_proc_entry (debug_filename, 0, NULL);
- udc->pde = pde;
- if (pde == NULL)
- return;
-
- pde->proc_fops = &proc_ops;
- pde->data = udc;
+ udc->pde = proc_create_data(debug_filename, 0, NULL, &proc_ops, udc);
}
static void remove_debug_file(struct at91_udc *udc)
diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c
index 95f7662376f1..881d74c3d964 100644
--- a/drivers/usb/gadget/omap_udc.c
+++ b/drivers/usb/gadget/omap_udc.c
@@ -2504,6 +2504,7 @@ static int proc_udc_open(struct inode *inode, struct file *file)
}
static const struct file_operations proc_ops = {
+ .owner = THIS_MODULE,
.open = proc_udc_open,
.read = seq_read,
.llseek = seq_lseek,
@@ -2512,11 +2513,7 @@ static const struct file_operations proc_ops = {
static void create_proc_file(void)
{
- struct proc_dir_entry *pde;
-
- pde = create_proc_entry (proc_filename, 0, NULL);
- if (pde)
- pde->proc_fops = &proc_ops;
+ proc_create(proc_filename, 0, NULL, &proc_ops);
}
static void remove_proc_file(void)
diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c
index 3fd7a0c12078..426575247b23 100644
--- a/drivers/usb/host/sl811-hcd.c
+++ b/drivers/usb/host/sl811-hcd.c
@@ -1506,15 +1506,7 @@ static const char proc_filename[] = "driver/sl811h";
static void create_debug_file(struct sl811 *sl811)
{
- struct proc_dir_entry *pde;
-
- pde = create_proc_entry(proc_filename, 0, NULL);
- if (pde == NULL)
- return;
-
- pde->proc_fops = &proc_ops;
- pde->data = sl811;
- sl811->pde = pde;
+ sl811->pde = proc_create_data(proc_filename, 0, NULL, &proc_ops, sl811);
}
static void remove_debug_file(struct sl811 *sl811)