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
......@@ -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)
{
......
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