[PATCH] mark struct file_operations const 3

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/char/watchdog/pc87413_wdt.c b/drivers/char/watchdog/pc87413_wdt.c
index 1d447e32af41..a77a90717ad2 100644
--- a/drivers/char/watchdog/pc87413_wdt.c
+++ b/drivers/char/watchdog/pc87413_wdt.c
@@ -526,7 +526,7 @@ static int pc87413_notify_sys(struct notifier_block *this,
 
 /* -- Module's structures ---------------------------------------*/
 
-static struct file_operations pc87413_fops = {
+static const struct file_operations pc87413_fops = {
         .owner          = THIS_MODULE,
         .llseek         = no_llseek,
         .write          = pc87413_write,