[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/hal2.c b/sound/oss/hal2.c
index d18286ccc14d..80a42773c648 100644
--- a/sound/oss/hal2.c
+++ b/sound/oss/hal2.c
@@ -1377,7 +1377,7 @@ static int hal2_release(struct inode *inode, struct file *file)
         return 0;
 }
 
-static struct file_operations hal2_audio_fops = {
+static const struct file_operations hal2_audio_fops = {
         .owner          = THIS_MODULE,
         .llseek         = no_llseek,
         .read           = hal2_read,
@@ -1388,7 +1388,7 @@ static struct file_operations hal2_audio_fops = {
         .release        = hal2_release,
 };
 
-static struct file_operations hal2_mixer_fops = {
+static const struct file_operations hal2_mixer_fops = {
         .owner          = THIS_MODULE,
         .llseek         = no_llseek,
         .ioctl          = hal2_ioctl_mixdev,