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
@@ -1517,7 +1517,7 @@ static int e_show(struct seq_file *m, void *p)
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return svc_export_show(m, &svc_export_cache, cp);
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}
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struct seq_operations nfs_exports_op = {
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const struct seq_operations nfs_exports_op = {
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.start = e_start,
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.next = e_next,
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.stop = e_stop,
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