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authorEric Dumazet <edumazet@google.com>2014-07-02 11:39:38 +0200
committerDavid S. Miller <davem@davemloft.net>2014-07-03 02:03:06 +0200
commit5925a0555bdaf0b396a84318cbc21ba085f6c0d3 (patch)
treec77da862b0c0a8c2b4a2a6beb75f318cd6b5e606 /include
parentvlan: free percpu stats in device destructor (diff)
downloadlinux-5925a0555bdaf0b396a84318cbc21ba085f6c0d3.tar.xz
linux-5925a0555bdaf0b396a84318cbc21ba085f6c0d3.zip
net: fix sparse warning in sk_dst_set()
sk_dst_cache has __rcu annotation, so we need a cast to avoid following sparse error : include/net/sock.h:1774:19: warning: incorrect type in initializer (different address spaces) include/net/sock.h:1774:19: expected struct dst_entry [noderef] <asn:4>*__ret include/net/sock.h:1774:19: got struct dst_entry *dst Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: kbuild test robot <fengguang.wu@intel.com> Fixes: 7f502361531e ("ipv4: irq safe sk_dst_[re]set() and ipv4_sk_update_pmtu() fix") Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/net/sock.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/sock.h b/include/net/sock.h
index c556fd9b05ac..156350745700 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1771,7 +1771,7 @@ sk_dst_set(struct sock *sk, struct dst_entry *dst)
struct dst_entry *old_dst;
sk_tx_queue_clear(sk);
- old_dst = xchg(&sk->sk_dst_cache, dst);
+ old_dst = xchg((__force struct dst_entry **)&sk->sk_dst_cache, dst);
dst_release(old_dst);
}