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authorLinus Torvalds <torvalds@linux-foundation.org>2011-11-03 21:05:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-11-03 21:05:43 -0700
commit6dbbd92522a13bcd5003829cbed30bc38a3d0362 (patch)
treeb486642d7392b81d89f159d65fd556a432e78d16 /net/x25/af_x25.c
parentd6748066ad0e8b2514545998f8367ebb3906f299 (diff)
parente1cfb67acd5e890bbad695000d2c997bfb7f1756 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (45 commits) be2net: Add detect UE feature for Lancer be2net: Prevent CQ full condition for Lancer be2net: Fix disabling multicast promiscous mode be2net: Fix endian issue in RX filter command af_packet: de-inline some helper functions MAINTAINERS: Add can-gw include to maintained files net: Add back alignment for size for __alloc_skb net: add missing bh_unlock_sock() calls l2tp: fix race in l2tp_recv_dequeue() ixgbevf: Update release version ixgbe: DCB, return max for IEEE traffic classes ixgbe: fix reading of the buffer returned by the firmware ixgbe: Fix compiler warnings ixgbe: fix smatch splat due to missing NULL check ixgbe: fix disabling of Tx laser at probe ixgbe: Fix link issues caused by a reset while interface is down igb: Fix for I347AT4 PHY cable length unit detection e100: make sure vlan support isn't advertised on old adapters e1000e: demote a debugging WARN to a debug log message net: fix typo in drivers/net/ethernet/xilinx/ll_temac_main.c ...
Diffstat (limited to 'net/x25/af_x25.c')
-rw-r--r--net/x25/af_x25.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index 5f03e4ea65b..3e16c6abde4 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -1261,14 +1261,19 @@ static int x25_recvmsg(struct kiocb *iocb, struct socket *sock,
struct x25_sock *x25 = x25_sk(sk);
struct sockaddr_x25 *sx25 = (struct sockaddr_x25 *)msg->msg_name;
size_t copied;
- int qbit, header_len = x25->neighbour->extended ?
- X25_EXT_MIN_LEN : X25_STD_MIN_LEN;
-
+ int qbit, header_len;
struct sk_buff *skb;
unsigned char *asmptr;
int rc = -ENOTCONN;
lock_sock(sk);
+
+ if (x25->neighbour == NULL)
+ goto out;
+
+ header_len = x25->neighbour->extended ?
+ X25_EXT_MIN_LEN : X25_STD_MIN_LEN;
+
/*
* This works for seqpacket too. The receiver has ordered the queue for
* us! We do one quick check first though