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authorSteve Wise <swise@opengridcomputing.com>2012-04-30 15:31:29 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-06-01 15:12:54 +0800
commit77f38874d05fef08ca1182155bd823f06343a3ad (patch)
tree14379624a4dfe70ff24b0dc509f8adb58270d823 /drivers/infiniband
parent35d73fe5e3d8c72a41c2eaf285a9bfb7b6c66aee (diff)
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RDMA/cxgb4: Drop peer_abort when no endpoint found
commit 14b9222808bb8bfefc71f72bc0dbdcf3b2f0140f upstream. 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> Signed-off-by: Roland Dreier <roland@purestorage.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 daa93e9..267005d 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -2316,6 +2316,12 @@ 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);