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>
This commit is contained in:
James Morris 2009-09-22 16:43:43 -07:00 committed by Linus Torvalds
parent b7ed698cc9
commit 88e9d34c72
26 changed files with 49 additions and 49 deletions

View file

@ -594,7 +594,7 @@ static int ls_show(struct seq_file *m, void *v)
return 0;
}
static struct seq_operations lockstat_ops = {
static const struct seq_operations lockstat_ops = {
.start = ls_start,
.next = ls_next,
.stop = ls_stop,