[PATCH] mark struct file_operations const 5

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>

2 files changed, 2 insertions, 2 deletions

diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c
index 82f2ac87ccd4..137330b8636b 100644
--- a/drivers/rtc/rtc-dev.c
+++ b/drivers/rtc/rtc-dev.c
@@ -384,7 +384,7 @@ static int rtc_dev_fasync(int fd, struct file *file, int on)
         return fasync_helper(fd, file, on, &rtc->async_queue);
 }
 
-static struct file_operations rtc_dev_fops = {
+static const struct file_operations rtc_dev_fops = {
         .owner          = THIS_MODULE,
         .llseek         = no_llseek,
         .read           = rtc_dev_read,
diff --git a/drivers/rtc/rtc-proc.c b/drivers/rtc/rtc-proc.c
index c272afd62173..1bd624fc685c 100644
--- a/drivers/rtc/rtc-proc.c
+++ b/drivers/rtc/rtc-proc.c
@@ -96,7 +96,7 @@ static int rtc_proc_release(struct inode *inode, struct file *file)
         return res;
 }
 
-static struct file_operations rtc_proc_fops = {
+static const struct file_operations rtc_proc_fops = {
         .open           = rtc_proc_open,
         .read           = seq_read,
         .llseek         = seq_lseek,