aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorSteve Wise <swise@opengridcomputing.com>2012-04-30 15:31:29 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-06-01 15:18:16 +0800
commitece17ce979baa62e074ba2d617e3a3ffc77ada84 (patch)
treebd82e5ef766f04c48488b6bc35d6d4392655fcea
parent466dab407e47968777912aa23e5c66d1bd715405 (diff)
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>
-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 b770a044fb8..4c7c62fe49d 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);