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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 <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>
This commit is contained in:
James Morris 2009-09-22 16:43:43 -07:00 • committed by Linus Torvalds
parent b7ed698cc9
commit 88e9d34c72
26 changed files with 49 additions and 49 deletions
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2
include/linux/nfsd/nfsd.h
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@ -60,7 +60,7 @@ extern spinlock_t nfsd_drc_lock;
extern unsigned int nfsd_drc_max_mem;
extern unsigned int nfsd_drc_mem_used;
extern struct seq_operations nfs_exports_op;
extern const struct seq_operations nfs_exports_op;
/*
* Function prototypes.