Commit 94c540fb authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
Browse files

udp: preserve const qualifier in udp_sk() 



We can change udp_sk() to propagate const qualifier of its argument,
thanks to container_of_const()

This should avoid some potential errors caused by accidental
(const -> not_const) promotion.

Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Cc: Willem de Bruijn <willemb@google.com>
Reviewed-by: default avatarSimon Horman <simon.horman@corigine.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 39a86d05

include/linux/udp.h

+1 −4
Original line number Diff line number Diff line
@@ -97,10 +97,7 @@ struct udp_sock { 


#define UDP_MAX_SEGMENTS	(1 << 6UL)



static inline struct udp_sock *udp_sk(const struct sock *sk)

{

	return (struct udp_sock *)sk;

}

#define udp_sk(ptr) container_of_const(ptr, struct udp_sock, inet.sk)



static inline void udp_set_no_check6_tx(struct sock *sk, bool val)

{