[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/cpwatchdog.c b/drivers/sbus/char/cpwatchdog.c
index ad1c7db96cb4..0cfd1e4c032c 100644
--- a/drivers/sbus/char/cpwatchdog.c
+++ b/drivers/sbus/char/cpwatchdog.c
@@ -459,7 +459,7 @@ static irqreturn_t wd_interrupt(int irq, void *dev_id)
         return IRQ_HANDLED;
 }
 
-static struct file_operations wd_fops = {
+static const struct file_operations wd_fops = {
         .owner =        THIS_MODULE,
         .ioctl =        wd_ioctl,
         .compat_ioctl = wd_compat_ioctl,