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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 <[email protected]>
Acked-by: Serge Hallyn <[email protected]>
Acked-by: Casey Schaufler <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
James Morris 2009-09-22 16:43:43 -07:00 • committed by Linus Torvalds
commit 88e9d34c72
26 changed files with 49 additions and 49 deletions
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12
fs/dlm/debug_fs.c
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@ -386,9 +386,9 @@ static int table_seq_show(struct seq_file *seq, void *iter_ptr)
return rv;
}
static struct seq_operations format1_seq_ops;
static struct seq_operations format2_seq_ops;
static struct seq_operations format3_seq_ops;
static const struct seq_operations format1_seq_ops;
static const struct seq_operations format2_seq_ops;
static const struct seq_operations format3_seq_ops;
static void *table_seq_start(struct seq_file *seq, loff_t *pos)
{
@ -534,21 +534,21 @@ static void table_seq_stop(struct seq_file *seq, void *iter_ptr)
}
}
static struct seq_operations format1_seq_ops = {
static const struct seq_operations format1_seq_ops = {
.start = table_seq_start,
.next = table_seq_next,
.stop = table_seq_stop,
.show = table_seq_show,
};
static struct seq_operations format2_seq_ops = {
static const struct seq_operations format2_seq_ops = {
.start = table_seq_start,
.next = table_seq_next,
.stop = table_seq_stop,
.show = table_seq_show,
};
static struct seq_operations format3_seq_ops = {
static const struct seq_operations format3_seq_ops = {
.start = table_seq_start,
.next = table_seq_next,
.stop = table_seq_stop,