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authorDavid S. Miller <davem@davemloft.net>2014-07-16 23:09:34 +0200
committerDavid S. Miller <davem@davemloft.net>2014-07-16 23:09:34 +0200
commit1a98c69af1ecd97bfd1f4e4539924a9192434e36 (patch)
treea243defcf921ea174f8e43fce11d06830a6a9c36 /include/net/sock.h
parentMerge branch 'bonding-next' (diff)
parentMerge tag 'for-linus-20140716' of git://git.infradead.org/linux-mtd (diff)
downloadlinux-1a98c69af1ecd97bfd1f4e4539924a9192434e36.tar.xz
linux-1a98c69af1ecd97bfd1f4e4539924a9192434e36.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/sock.h')
-rw-r--r--include/net/sock.h12
1 files changed, 6 insertions, 6 deletions
diff --git a/include/net/sock.h b/include/net/sock.h
index cb84b2f1ad8f..29e48a6d1ded 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1772,9 +1772,11 @@ __sk_dst_set(struct sock *sk, struct dst_entry *dst)
static inline void
sk_dst_set(struct sock *sk, struct dst_entry *dst)
{
- spin_lock(&sk->sk_dst_lock);
- __sk_dst_set(sk, dst);
- spin_unlock(&sk->sk_dst_lock);
+ struct dst_entry *old_dst;
+
+ sk_tx_queue_clear(sk);
+ old_dst = xchg((__force struct dst_entry **)&sk->sk_dst_cache, dst);
+ dst_release(old_dst);
}
static inline void
@@ -1786,9 +1788,7 @@ __sk_dst_reset(struct sock *sk)
static inline void
sk_dst_reset(struct sock *sk)
{
- spin_lock(&sk->sk_dst_lock);
- __sk_dst_reset(sk);
- spin_unlock(&sk->sk_dst_lock);
+ sk_dst_set(sk, NULL);
}
struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie);