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net: filter: sk_chk_filter() no longer mangles filter

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Add const attribute to filter argument to make clear it is no
longer modified.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Daniel Borkmann <dborkman@redhat.com>
Acked-by: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2014-07-12 15:49:16 +02:00
committed by David S. Miller
parent 66568b3925
commit ec31a05c4d
2 changed files with 4 additions and 4 deletions
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2
include/linux/filter.h
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@@ -362,7 +362,7 @@ void sk_unattached_filter_destroy(struct sk_filter *fp);
int sk_attach_filter(struct sock_fprog *fprog, struct sock *sk);
int sk_detach_filter(struct sock *sk);
int sk_chk_filter(struct sock_filter *filter, unsigned int flen);
int sk_chk_filter(const struct sock_filter *filter, unsigned int flen);
int sk_get_filter(struct sock *sk, struct sock_filter __user *filter,
unsigned int len);