From: Stephen Hemminger <stephen@networkplumber.org>
Date: Tue, 26 Aug 2014 00:41:02 +0000 (-0700)
Subject: vmxnet3: fix crash on stop
X-Git-Tag: spdx-start~10450
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=844083c46a9381f25edacd7357e007aa8a2d29f8;p=dpdk.git

vmxnet3: fix crash on stop

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@networkplumber.org>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
---

diff --git a/lib/librte_pmd_vmxnet3/vmxnet3_rxtx.c b/lib/librte_pmd_vmxnet3/vmxnet3_rxtx.c
index 2d9f5e02ee..0dfce44f74 100644
--- a/lib/librte_pmd_vmxnet3/vmxnet3_rxtx.c
+++ b/lib/librte_pmd_vmxnet3/vmxnet3_rxtx.c
@@ -173,6 +173,7 @@ vmxnet3_cmd_ring_release(vmxnet3_cmd_ring_t *ring)
 		vmxnet3_cmd_ring_adv_next2comp(ring);
 	}
 	rte_free(ring->buf_info);
+	ring->buf_info = NULL;
 }
 
 void