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-rw-r--r--include/net/sock.h3
-rw-r--r--net/ipv4/tcp_ipv4.c2
2 files changed, 4 insertions, 1 deletions
diff --git a/include/net/sock.h b/include/net/sock.h
index 83805feea88..0969fb60d6e 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -751,6 +751,9 @@ extern void FASTCALL(release_sock(struct sock *sk));
/* BH context may only use the following locking interface. */
#define bh_lock_sock(__sk) spin_lock(&((__sk)->sk_lock.slock))
+#define bh_lock_sock_nested(__sk) \
+ spin_lock_nested(&((__sk)->sk_lock.slock), \
+ SINGLE_DEPTH_NESTING)
#define bh_unlock_sock(__sk) spin_unlock(&((__sk)->sk_lock.slock))
extern struct sock *sk_alloc(int family,
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 823717285c6..5a886e6efbb 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1090,7 +1090,7 @@ process:
skb->dev = NULL;
- bh_lock_sock(sk);
+ bh_lock_sock_nested(sk);
ret = 0;
if (!sock_owned_by_user(sk)) {
#ifdef CONFIG_NET_DMA