seq_file: constify seq_operations

Make all seq_operations structs const, to help mitigate against
revectoring user-triggerable function pointers.

This is derived from the grsecurity patch, although generated from scratch
because it's simpler than extracting the changes from there.

Signed-off-by: James Morris <jmorris@namei.org>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Acked-by: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 5 insertions, 5 deletions

diff --git a/drivers/isdn/capi/kcapi_proc.c b/drivers/isdn/capi/kcapi_proc.c
index 50ed778f63fc..09d4db764d22 100644
--- a/drivers/isdn/capi/kcapi_proc.c
+++ b/drivers/isdn/capi/kcapi_proc.c
@@ -89,14 +89,14 @@ static int contrstats_show(struct seq_file *seq, void *v)
         return 0;
 }
 
-static struct seq_operations seq_controller_ops = {
+static const struct seq_operations seq_controller_ops = {
         .start  = controller_start,
         .next   = controller_next,
         .stop   = controller_stop,
         .show   = controller_show,
 };
 
-static struct seq_operations seq_contrstats_ops = {
+static const struct seq_operations seq_contrstats_ops = {
         .start  = controller_start,
         .next   = controller_next,
         .stop   = controller_stop,
@@ -194,14 +194,14 @@ applstats_show(struct seq_file *seq, void *v)
         return 0;
 }
 
-static struct seq_operations seq_applications_ops = {
+static const struct seq_operations seq_applications_ops = {
         .start  = applications_start,
         .next   = applications_next,
         .stop   = applications_stop,
         .show   = applications_show,
 };
 
-static struct seq_operations seq_applstats_ops = {
+static const struct seq_operations seq_applstats_ops = {
         .start  = applications_start,
         .next   = applications_next,
         .stop   = applications_stop,
@@ -264,7 +264,7 @@ static int capi_driver_show(struct seq_file *seq, void *v)
         return 0;
 }
 
-static struct seq_operations seq_capi_driver_ops = {
+static const struct seq_operations seq_capi_driver_ops = {
         .start  = capi_driver_start,
         .next   = capi_driver_next,
         .stop   = capi_driver_stop,