[PATCH] mark struct file_operations const 6

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/drivers/sbus/char/riowatchdog.c b/drivers/sbus/char/riowatchdog.c
index 2a9cc8204429..a2fc6b8c1334 100644
--- a/drivers/sbus/char/riowatchdog.c
+++ b/drivers/sbus/char/riowatchdog.c
@@ -193,7 +193,7 @@ static ssize_t riowd_write(struct file *file, const char __user *buf, size_t cou
         return 0;
 }
 
-static struct file_operations riowd_fops = {
+static const struct file_operations riowd_fops = {
         .owner =        THIS_MODULE,
         .ioctl =        riowd_ioctl,
         .open =         riowd_open,