[PATCH] mark struct file_operations const 9

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.

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, 1 insertions, 1 deletions

diff --git a/sound/oss/soundcard.c b/sound/oss/soundcard.c
index b92c8cd1aeaf..dcd8d6d2f56f 100644
--- a/sound/oss/soundcard.c
+++ b/sound/oss/soundcard.c
@@ -483,7 +483,7 @@ static int sound_mmap(struct file *file, struct vm_area_struct *vma)
         return 0;
 }
 
-struct file_operations oss_sound_fops = {
+const struct file_operations oss_sound_fops = {
         .owner          = THIS_MODULE,
         .llseek         = no_llseek,
         .read           = sound_read,