[PATCH] mark struct file_operations const 4

Many struct file_operations in the kernel can be "const".  Marking them const
moves these to the .rodata section, which avoids false sharing with potential
dirty data.  In addition it'll catch accidental writes at compile time to
these shared resources.

[akpm@sdl.org: dvb fix]
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2 files changed, 2 insertions, 2 deletions

diff --git a/drivers/media/video/usbvideo/usbvideo.c b/drivers/media/video/usbvideo/usbvideo.c
index b560c9d7c51..d34d8c8b737 100644
--- a/drivers/media/video/usbvideo/usbvideo.c
+++ b/drivers/media/video/usbvideo/usbvideo.c
@@ -945,7 +945,7 @@ static int usbvideo_find_struct(struct usbvideo *cams)
         return rv;
 }
 
-static struct file_operations usbvideo_fops = {
+static const struct file_operations usbvideo_fops = {
         .owner =  THIS_MODULE,
         .open =   usbvideo_v4l_open,
         .release =usbvideo_v4l_close,
diff --git a/drivers/media/video/usbvideo/vicam.c b/drivers/media/video/usbvideo/vicam.c
index 08f9559a6bf..876fd276824 100644
--- a/drivers/media/video/usbvideo/vicam.c
+++ b/drivers/media/video/usbvideo/vicam.c
@@ -1234,7 +1234,7 @@ static inline void vicam_create_proc_entry(struct vicam_camera *cam) { }
 static inline void vicam_destroy_proc_entry(void *ptr) { }
 #endif
 
-static struct file_operations vicam_fops = {
+static const struct file_operations vicam_fops = {
         .owner          = THIS_MODULE,
         .open           = vicam_open,
         .release        = vicam_close,