ibmvnic: Fix TX completion error handling
authorThomas Falcon <tlfalcon@linux.ibm.com>
Tue, 1 Dec 2020 15:52:11 +0000 (09:52 -0600)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 11 Dec 2020 12:37:57 +0000 (13:37 +0100)
[ Upstream commit ba246c175116e2e8fa4fdfa5f8e958e086a9a818 ]

TX completions received with an error return code are not
being processed properly. When an error code is seen, do not
proceed to the next completion before cleaning up the existing
entry's data structures.

Fixes: 032c5e82847a ("Driver for IBM System i/p VNIC protocol")
Signed-off-by: Thomas Falcon <tlfalcon@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/net/ethernet/ibm/ibmvnic.c

index 2180cdfd6c67209ffb42467ee9abdc7045ca9576..a8ff4f8a6b87d4370000849d5edd1bedef48123e 100644 (file)
@@ -1388,11 +1388,9 @@ restart_loop:
 
                next = ibmvnic_next_scrq(adapter, scrq);
                for (i = 0; i < next->tx_comp.num_comps; i++) {
-                       if (next->tx_comp.rcs[i]) {
+                       if (next->tx_comp.rcs[i])
                                dev_err(dev, "tx error %x\n",
                                        next->tx_comp.rcs[i]);
-                               continue;
-                       }
                        index = be32_to_cpu(next->tx_comp.correlators[i]);
                        txbuff = &adapter->tx_pool[pool].tx_buff[index];