3.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Eric Dumazet <eduma...@google.com>
[ Upstream commit 5925a0555bdaf0b396a84318cbc21ba085f6c0d3 ]
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 <eduma...@google.com>
Reported-by: kbuild test robot <fengguang...@intel.com>
Fixes: 7f502361531e ("ipv4: irq safe sk_dst_[re]set() and ipv4_sk_update_pmtu()
fix")
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
include/net/sock.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1770,7 +1770,7 @@ sk_dst_set(struct sock *sk, struct dst_e
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);
}
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