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seq_file: constify seq_operations

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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
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kernel/cgroup.c
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@@ -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,