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| author | Tim Hansen <devtimhansen@gmail.com> | 2017-10-23 15:35:58 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-10-24 18:46:22 +0900 |
| commit | b6f4f8484d88b69f700907200a9a9ec73806355f (patch) | |
| tree | 64f84a78519c929dd84780343a1e4bece03a3261 | |
| parent | 49ca1943a7adb429b11b8e05d81bc821694b76c7 (diff) | |
| download | linux-b6f4f8484d88b69f700907200a9a9ec73806355f.tar.bz2 | |
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: Tim Hansen <devtimhansen@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/net/sock.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index 4827094f1db4..6f1be9726e02 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -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) { |