[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/saa7134/saa7134-oss.c b/drivers/media/video/saa7134/saa7134-oss.c
index bfcb860d14cc..72444f039e3d 100644
--- a/drivers/media/video/saa7134/saa7134-oss.c
+++ b/drivers/media/video/saa7134/saa7134-oss.c
@@ -563,7 +563,7 @@ static unsigned int dsp_poll(struct file *file, struct poll_table_struct *wait)
         return mask;
 }
 
-struct file_operations saa7134_dsp_fops = {
+const struct file_operations saa7134_dsp_fops = {
         .owner   = THIS_MODULE,
         .open    = dsp_open,
         .release = dsp_release,
@@ -804,7 +804,7 @@ static int mixer_ioctl(struct inode *inode, struct file *file,
         }
 }
 
-struct file_operations saa7134_mixer_fops = {
+const struct file_operations saa7134_mixer_fops = {
         .owner   = THIS_MODULE,
         .open    = mixer_open,
         .release = mixer_release,