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authorJames Morris <jmorris@namei.org>2009-09-22 19:43:43 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-23 10:39:29 -0400
commit88e9d34c727883d7d6f02cf1475b3ec98b8480c7 (patch)
tree475f544536d52739e0929e7727cab5124e855a06 /fs/jbd2
parentb7ed698cc9d556306a4088c238e2ea9311ea2cb3 (diff)
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>
Diffstat (limited to 'fs/jbd2')
-rw-r--r--fs/jbd2/journal.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index a8a358bc0f21..53b86e16e5fe 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -768,7 +768,7 @@ static void jbd2_seq_history_stop(struct seq_file *seq, void *v)
768{ 768{
769} 769}
770 770
771static struct seq_operations jbd2_seq_history_ops = { 771static const struct seq_operations jbd2_seq_history_ops = {
772 .start = jbd2_seq_history_start, 772 .start = jbd2_seq_history_start,
773 .next = jbd2_seq_history_next, 773 .next = jbd2_seq_history_next,
774 .stop = jbd2_seq_history_stop, 774 .stop = jbd2_seq_history_stop,
@@ -872,7 +872,7 @@ static void jbd2_seq_info_stop(struct seq_file *seq, void *v)
872{ 872{
873} 873}
874 874
875static struct seq_operations jbd2_seq_info_ops = { 875static const struct seq_operations jbd2_seq_info_ops = {
876 .start = jbd2_seq_info_start, 876 .start = jbd2_seq_info_start,
877 .next = jbd2_seq_info_next, 877 .next = jbd2_seq_info_next,
878 .stop = jbd2_seq_info_stop, 878 .stop = jbd2_seq_info_stop,