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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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6
security/smack/smackfs.c
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@ -187,7 +187,7 @@ static void load_seq_stop(struct seq_file *s, void *v)
/* No-op */
}
static struct seq_operations load_seq_ops = {
static const struct seq_operations load_seq_ops = {
.start = load_seq_start,
.next = load_seq_next,
.show = load_seq_show,
@ -503,7 +503,7 @@ static void cipso_seq_stop(struct seq_file *s, void *v)
/* No-op */
}
static struct seq_operations cipso_seq_ops = {
static const struct seq_operations cipso_seq_ops = {
.start = cipso_seq_start,
.stop = cipso_seq_stop,
.next = cipso_seq_next,
@ -697,7 +697,7 @@ static void netlbladdr_seq_stop(struct seq_file *s, void *v)
/* No-op */
}
static struct seq_operations netlbladdr_seq_ops = {
static const struct seq_operations netlbladdr_seq_ops = {
.start = netlbladdr_seq_start,
.stop = netlbladdr_seq_stop,
.next = netlbladdr_seq_next,