[PATCH v3 1/2] [net] af_unix: Convert the unix_sk macro to an inline function for type safety
From: Aaron Conole <hidden>
Date: 2015-09-22 00:27:13
Subsystem:
networking [general], networking [unix sockets], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Kuniyuki Iwashima, Linus Torvalds
As suggested by Eric Dumazet in http://marc.info/?l=linux-netdev&m=144276759421433&w=2 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 <redacted> --- include/net/af_unix.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/include/net/af_unix.h b/include/net/af_unix.h
index 4a167b3..cb1b9bb 100644
--- a/include/net/af_unix.h
+++ b/include/net/af_unix.h@@ -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
--
1.9.1