[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, 2 insertions, 2 deletions

diff --git a/sound/oss/ad1889.c b/sound/oss/ad1889.c
index 09263d72a519..f0724327493c 100644
--- a/sound/oss/ad1889.c
+++ b/sound/oss/ad1889.c
@@ -778,7 +778,7 @@ static int ad1889_release(struct inode *inode, struct file *file)
         return 0;
 }
 
-static struct file_operations ad1889_fops = {
+static const struct file_operations ad1889_fops = {
         .owner          = THIS_MODULE,
         .llseek         = no_llseek,
         .read           = ad1889_read,
@@ -812,7 +812,7 @@ static int ad1889_mixer_ioctl(struct inode *inode, struct file *file,
         return codec->mixer_ioctl(codec, cmd, arg);
 }
 
-static struct file_operations ad1889_mixer_fops = {
+static const struct file_operations ad1889_mixer_fops = {
         .owner          = THIS_MODULE,
         .llseek         = no_llseek,
         .ioctl          = ad1889_mixer_ioctl,