From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Thu, 13 Dec 2007 03:21:56 +0000 (-0800)
Subject: [NET]: Check RTNL status in unregister_netdevice
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a66207121f85c54a3df4d347a3c5bdf6cb154b09;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[NET]: Check RTNL status in unregister_netdevice

The caller must hold the RTNL so let's check it in unregister_netdevice.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/core/dev.c b/net/core/dev.c
index 4ced3836690b..7153e94f50ad 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3971,6 +3971,8 @@ void synchronize_net(void)
 
 void unregister_netdevice(struct net_device *dev)
 {
+	ASSERT_RTNL();
+
 	rollback_registered(dev);
 	/* Finish processing unregister after unlock */
 	net_set_todo(dev);