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
parent
b7ed698cc9
commit
88e9d34c72
@@ -1531,7 +1531,7 @@ static void *nfs_server_list_next(struct seq_file *p, void *v, loff_t *pos);
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static void nfs_server_list_stop(struct seq_file *p, void *v);
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static int nfs_server_list_show(struct seq_file *m, void *v);
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static struct seq_operations nfs_server_list_ops = {
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static const struct seq_operations nfs_server_list_ops = {
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.start = nfs_server_list_start,
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.next = nfs_server_list_next,
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.stop = nfs_server_list_stop,
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@@ -1552,7 +1552,7 @@ static void *nfs_volume_list_next(struct seq_file *p, void *v, loff_t *pos);
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static void nfs_volume_list_stop(struct seq_file *p, void *v);
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static int nfs_volume_list_show(struct seq_file *m, void *v);
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static struct seq_operations nfs_volume_list_ops = {
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static const struct seq_operations nfs_volume_list_ops = {
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.start = nfs_volume_list_start,
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.next = nfs_volume_list_next,
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.stop = nfs_volume_list_stop,
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