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af_unix: Convert the unix_sk macro to an inline function for type safety

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As suggested by Eric Dumazet this change replaces the
#define with a static inline function to enjoy
complaints by the compiler when misusing the API.

Signed-off-by: Aaron Conole <aconole@bytheb.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Aaron Conole 2015-09-26 18:50:42 -04:00 committed by David S. Miller
parent 2103d6b818
commit 4613012db1
1 changed files with 5 additions and 1 deletions
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6
include/net/af_unix.h
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@ -63,7 +63,11 @@ struct unix_sock {
#define UNIX_GC_MAYBE_CYCLE 1
struct socket_wq peer_wq;
};
#define unix_sk(__sk) ((struct unix_sock *)__sk)
static inline struct unix_sock *unix_sk(struct sock *sk)
{
return (struct unix_sock *)sk;
}
#define peer_wait peer_wq.wait