RDMA/cxgb4: Disable interrupts in c4iw_ev_dispatch()

Use GFP_ATOMIC in _insert_handle() if ints are disabled.

Don't panic if we get an abort with no endpoint found.  Just log a
warning.

Signed-off-by: Vipul Pandya <vipul@chelsio.com>
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 4c7c62fe49d3..6ce401abdbd0 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -1362,7 +1362,10 @@ static int abort_rpl(struct c4iw_dev *dev, struct sk_buff *skb)
 
         ep = lookup_tid(t, tid);
         PDBG("%s ep %p tid %u\n", __func__, ep, ep->hwtid);
-        BUG_ON(!ep);
+        if (!ep) {
+                printk(KERN_WARNING MOD "Abort rpl to freed endpoint\n");
+                return 0;
+        }
         mutex_lock(&ep->com.mutex);
         switch (ep->com.state) {
         case ABORTING: