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authorSteve Wise <swise@opengridcomputing.com>2012-04-30 15:31:29 -0500
committerRoland Dreier <roland@purestorage.com>2012-05-15 09:46:09 -0700
commit14b9222808bb8bfefc71f72bc0dbdcf3b2f0140f (patch)
tree8bb89fb298b62f3ecd22b10a12d07d065f2fd23f /drivers/infiniband
parent0f1dcfae6bc5563424346ad3a03282b8235a4c33 (diff)
downloadop-kernel-dev-14b9222808bb8bfefc71f72bc0dbdcf3b2f0140f.zip
op-kernel-dev-14b9222808bb8bfefc71f72bc0dbdcf3b2f0140f.tar.gz
RDMA/cxgb4: Drop peer_abort when no endpoint found
Log a warning and drop the abort message. Otherwise we will do a bogus wake_up() and crash. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Cc: <stable@vger.kernel.org> Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/cxgb4/cm.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index b770a044..4c7c62f 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -2656,6 +2656,12 @@ static int peer_abort_intr(struct c4iw_dev *dev, struct sk_buff *skb)
unsigned int tid = GET_TID(req);
ep = lookup_tid(t, tid);
+ if (!ep) {
+ printk(KERN_WARNING MOD
+ "Abort on non-existent endpoint, tid %d\n", tid);
+ kfree_skb(skb);
+ return 0;
+ }
if (is_neg_adv_abort(req->status)) {
PDBG("%s neg_adv_abort ep %p tid %u\n", __func__, ep,
ep->hwtid);
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