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>
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Linus Torvalds
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88e9d34c72
@ -109,7 +109,7 @@ static void *nommu_region_list_next(struct seq_file *m, void *v, loff_t *pos)
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return rb_next((struct rb_node *) v);
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}
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static struct seq_operations proc_nommu_region_list_seqop = {
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static const struct seq_operations proc_nommu_region_list_seqop = {
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.start = nommu_region_list_start,
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.next = nommu_region_list_next,
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.stop = nommu_region_list_stop,
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