[dpdk-dev] [PATCH] vmxnet3: fix crash on stop

[Stephen Hemminger]

The cmd_ring_release can be called twice if queue has already
been released. This cause crash on shutdown.

Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>


--- a/lib/librte_pmd_vmxnet3/vmxnet3_rxtx.c     2014-08-25 17:39:04.544119911 
-0700
+++ b/lib/librte_pmd_vmxnet3/vmxnet3_rxtx.c     2014-08-25 17:39:04.544119911 
-0700
@@ -173,6 +173,7 @@ vmxnet3_cmd_ring_release(vmxnet3_cmd_rin
                vmxnet3_cmd_ring_adv_next2comp(ring);
        }
        rte_free(ring->buf_info);
+       ring->buf_info = NULL;
 }

 void