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netdev-dpdk: Don't use dev->vhost_id without mutex.

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The copy should be used here.
Additionally, 'strlen' changed to the faster check.

Fixes: 821b86649a ("netdev-dpdk: Don't try to unregister empty vhost_id.")
Signed-off-by: Ilya Maximets <i.maximets@samsung.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
This commit is contained in:
Ilya Maximets
2016-12-06 09:45:07 +03:00
committed by Ben Pfaff
parent c8c300b88b
commit 569c26da9d
1 changed files with 1 additions and 1 deletions
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lib/netdev-dpdk.c
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@@ -1027,7 +1027,7 @@ netdev_dpdk_vhost_destruct(struct netdev *netdev)
ovs_mutex_unlock(&dev->mutex); ovs_mutex_unlock(&dev->mutex);
ovs_mutex_unlock(&dpdk_mutex); ovs_mutex_unlock(&dpdk_mutex);
if (!strlen(dev->vhost_id)) { if (!vhost_id[0]) {
goto out; goto out;
} }