[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>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c
index ab8f970760f2..41fd09d7d11e 100644
--- a/drivers/media/video/bt8xx/bttv-driver.c
+++ b/drivers/media/video/bt8xx/bttv-driver.c
@@ -3174,7 +3174,7 @@ bttv_mmap(struct file *file, struct vm_area_struct *vma)
         return videobuf_mmap_mapper(bttv_queue(fh),vma);
 }
 
-static struct file_operations bttv_fops =
+static const struct file_operations bttv_fops =
 {
         .owner    = THIS_MODULE,
         .open     = bttv_open,
@@ -3332,7 +3332,7 @@ static unsigned int radio_poll(struct file *file, poll_table *wait)
         return cmd.result;
 }
 
-static struct file_operations radio_fops =
+static const struct file_operations radio_fops =
 {
         .owner    = THIS_MODULE,
         .open     = radio_open,