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: Fri, 9 Sep 2016 10:42:16 +0800 [thread overview]
Message-ID: <1473388936-2706-1-git-send-email-zhouyates@gmail.com> (raw)
Signed-off-by: zhouyangchao <zhouyates@gmail.com>
---
lib/librte_eal/linuxapp/kni/kni_misc.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/lib/librte_eal/linuxapp/kni/kni_misc.c b/lib/librte_eal/linuxapp/kni/kni_misc.c
index 67e9b7d..17b6d7a 100644
--- a/lib/librte_eal/linuxapp/kni/kni_misc.c
+++ b/lib/librte_eal/linuxapp/kni/kni_misc.c
@@ -361,6 +361,9 @@ kni_dev_remove(struct kni_dev *dev)
igb_kni_remove(dev->pci_dev);
if (dev->net_dev) {
+ if (dev->net_dev->state == NETREG_REGISTERED) {
+ unregister_netdev(dev->net_dev);
+ }
unregister_netdev(dev->net_dev);
free_netdev(dev->net_dev);
}
--
1.7.1
next reply other threads:[~2016-09-08 14:18 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-09 2:42 zhouyangchao [this message]
2016-09-08 16:47 ` Stephen Hemminger
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
2016-09-13 13:13 ` Ferruh Yigit
2016-09-21 16:41 ` Thomas Monjalon
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