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authorRoland Dreier <rolandd@cisco.com>2006-03-29 09:36:46 -0800
committerRoland Dreier <rolandd@cisco.com>2006-03-29 09:36:46 -0800
commitef12d4561900d4af37f46a8f2d97dec3c4d59bf9 (patch)
tree29b849109170341a546fbe0bdb52a43741b0341c /drivers
parenta07bacca7b4032dd361ad5c87b1c39ae229e6739 (diff)
IPoIB: Fix oops with raw sockets
ipoib_hard_header() needs to handle the case that daddr is NULL. This can happen when packets are injected via a raw socket, and IPoIB shouldn't oops in this case. Reported by Anton Blanchard <anton@samba.org> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_main.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 53a32f65788..9b0bd7c746c 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -723,7 +723,7 @@ static int ipoib_hard_header(struct sk_buff *skb,
* destination address onto the front of the skb so we can
* figure out where to send the packet later.
*/
- if (!skb->dst || !skb->dst->neighbour) {
+ if ((!skb->dst || !skb->dst->neighbour) && daddr) {
struct ipoib_pseudoheader *phdr =
(struct ipoib_pseudoheader *) skb_push(skb, sizeof *phdr);
memcpy(phdr->hwaddr, daddr, INFINIBAND_ALEN);