[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>

2 files changed, 2 insertions, 2 deletions

diff --git a/drivers/telephony/ixj.c b/drivers/telephony/ixj.c
index 58deaac5b373..71cb64e41a1b 100644
--- a/drivers/telephony/ixj.c
+++ b/drivers/telephony/ixj.c
@@ -6663,7 +6663,7 @@ static int ixj_fasync(int fd, struct file *file_p, int mode)
         return fasync_helper(fd, file_p, mode, &j->async_queue);
 }
 
-static struct file_operations ixj_fops =
+static const struct file_operations ixj_fops =
 {
         .owner          = THIS_MODULE,
         .read           = ixj_enhanced_read,
diff --git a/drivers/telephony/phonedev.c b/drivers/telephony/phonedev.c
index e41f49afd0f4..4d8c2a5b3297 100644
--- a/drivers/telephony/phonedev.c
+++ b/drivers/telephony/phonedev.c
@@ -127,7 +127,7 @@ void phone_unregister_device(struct phone_device *pfd)
 }
 
 
-static struct file_operations phone_fops =
+static const struct file_operations phone_fops =
 {
         .owner          = THIS_MODULE,
         .open           = phone_open,