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From: zhouyangchao <zhouyates@gmail.com>
To: ferruh.yigit@intel.com
Cc: dev@dpdk.org, zhouyangchao <zhouyates@gmail.com>
Subject: [dpdk-dev] [PATCH] kni: unregister an unregisterd net_device could cause a kernel crash
Date: Sun, 11 Sep 2016 17:59:23 +0800	[thread overview]
Message-ID: <20160911095923.7923-1-zhouyates@gmail.com> (raw)
In-Reply-To: <d343e369-8997-8227-9936-d99dce1a13bf@intel.com>

Signed-off-by: zhouyangchao <zhouyates@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

  reply	other threads:[~2016-09-11  9:59 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-09  2:46 zhouyangchao
2016-09-08 16:44 ` Stephen Hemminger
2016-09-08 17:15   ` Ferruh Yigit
2016-09-09 12:40     ` Thomas Monjalon
2016-09-09 14:33       ` Mcnamara, John
2016-09-10  7:57         ` Thomas Monjalon
2016-09-08 17:07 ` Ferruh Yigit
2016-09-11  9:59   ` zhouyangchao [this message]
2016-09-13 13:13     ` Ferruh Yigit
2016-09-21 16:41       ` Thomas Monjalon
  -- strict thread matches above, loose matches on Subject: below --
2016-09-09  2:42 zhouyangchao
2016-09-08 16:47 ` Stephen Hemminger

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