[dpdk-dev] [PATCH] kni: unregister an unregisterd net_device could cause a kernel crash

[zhouyangchao]

Signed-off-by: zhouyangchao <zhouyates at gmail.com>
---
 lib/librte_eal/linuxapp/kni/kni_misc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/librte_eal/linuxapp/kni/kni_misc.c b/lib/librte_eal/linuxapp/kni/kni_misc.c
index 67e9b7d..5c58a83 100644
--- a/lib/librte_eal/linuxapp/kni/kni_misc.c
+++ b/lib/librte_eal/linuxapp/kni/kni_misc.c
@@ -545,7 +545,9 @@ kni_ioctl_create(struct net *net,
 	if (ret) {
 		KNI_ERR("error %i registering device \"%s\"\n",
 					ret, dev_info.name);
+		kni->net_dev = NULL;
 		kni_dev_remove(kni);
+		free_netdev(net_dev);
 		return -ENODEV;
 	}
 
-- 
2.10.0