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Commit b6f4f848 authored by Tim Hansen's avatar Tim Hansen Committed by David S. Miller
Browse files

net/sock: Update sk rcu iterator macro. 



Mark hlist node in sk rcu iterator as protected by the rcu.
hlist_next_rcu accomplishes this and silences the warnings
sparse throws.

Found with make C=1 net/ipv4/udp.o on linux-next tag
next-20171009.

Signed-off-by: default avatarTim Hansen <devtimhansen@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 49ca1943

include/net/sock.h

+2 −2
Original line number Diff line number Diff line
@@ -737,10 +737,10 @@ static inline void sk_add_bind_node(struct sock *sk, 
 *

 */

#define sk_for_each_entry_offset_rcu(tpos, pos, head, offset)		       \

	for (pos = rcu_dereference((head)->first);			       \

	for (pos = rcu_dereference(hlist_first_rcu(head));		       \

	     pos != NULL &&						       \

		({ tpos = (typeof(*tpos) *)((void *)pos - offset); 1;});       \

	     pos = rcu_dereference(pos->next))

	     pos = rcu_dereference(hlist_next_rcu(pos)))



static inline struct user_namespace *sk_user_ns(struct sock *sk)

{