[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