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authorJames Morris <jmorris@namei.org>2009-09-23 01:43:43 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-23 16:39:29 +0200
commit88e9d34c727883d7d6f02cf1475b3ec98b8480c7 (patch)
tree475f544536d52739e0929e7727cab5124e855a06 /kernel/cgroup.c
parentDocumentation/: fix warnings from -Wmissing-prototypes in HOSTCFLAGS (diff)
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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 'kernel/cgroup.c')
-rw-r--r--kernel/cgroup.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 213b7f92fcdd..cd83d9933b6b 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -2314,7 +2314,7 @@ static int cgroup_tasks_show(struct seq_file *s, void *v)
return seq_printf(s, "%d\n", *(int *)v);
}
-static struct seq_operations cgroup_tasks_seq_operations = {
+static const struct seq_operations cgroup_tasks_seq_operations = {
.start = cgroup_tasks_start,
.stop = cgroup_tasks_stop,
.next = cgroup_tasks_next,