From cdefa185dda6b2b267f088a7477e96d845bdc6c1 Mon Sep 17 00:00:00 2001 From: "Denis V. Lunev" Date: Tue, 29 Apr 2008 01:02:19 -0700 Subject: [PATCH] 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 Acked-by: Greg Kroah-Hartman Cc: Alexey Dobriyan Cc: "Eric W. Biederman" Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/usb/gadget/at91_udc.c | 11 ++--------- drivers/usb/gadget/omap_udc.c | 7 ++----- drivers/usb/host/sl811-hcd.c | 10 +--------- 3 files changed, 5 insertions(+), 23 deletions(-) diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c index 9b913af..274c60a 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 95f7662..881d74c 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 3fd7a0c..4265752 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) -- 2.7.4