[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/usb/misc/adutux.c b/drivers/usb/misc/adutux.c
index af2934e016a7..75bfab95ab3c 100644
--- a/drivers/usb/misc/adutux.c
+++ b/drivers/usb/misc/adutux.c
@@ -644,7 +644,7 @@ exit:
 }
 
 /* file operations needed when we register this driver */
-static struct file_operations adu_fops = {
+static const struct file_operations adu_fops = {
         .owner = THIS_MODULE,
         .read  = adu_read,
         .write = adu_write,
diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c
index 41c0161abdb9..0c1d66ddb812 100644
--- a/drivers/usb/misc/ftdi-elan.c
+++ b/drivers/usb/misc/ftdi-elan.c
@@ -1209,7 +1209,7 @@ error_1:
         return retval;
 }
 
-static struct file_operations ftdi_elan_fops = {
+static const struct file_operations ftdi_elan_fops = {
         .owner = THIS_MODULE,
         .llseek = no_llseek,
         .ioctl = ftdi_elan_ioctl,