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
@ -363,7 +363,7 @@ static void cciss_seq_stop(struct seq_file *seq, void *v)
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h->busy_configuring = 0;
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}
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static struct seq_operations cciss_seq_ops = {
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static const struct seq_operations cciss_seq_ops = {
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.start = cciss_seq_start,
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.show = cciss_seq_show,
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.next = cciss_seq_next,
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