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net: add sock_bindtoindex

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Add a helper to directly set the SO_BINDTOIFINDEX sockopt from kernel
space without going through a fake uaccess.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Christoph Hellwig
2020-05-28 07:12:13 +02:00
committed by David S. Miller
parent 76ee0785f4
commit 7594888c78
4 changed files with 18 additions and 12 deletions
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include/net/sock.h
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@@ -2688,6 +2688,7 @@ static inline bool sk_dev_equal_l3scope(struct sock *sk, int dif)
void sock_def_readable(struct sock *sk);
int sock_bindtoindex(struct sock *sk, int ifindex);
void sock_no_linger(struct sock *sk);
void sock_set_priority(struct sock *sk, u32 priority);
void sock_set_reuseaddr(struct sock *sk);