[NET]: Fix device unregister in TUN driver.

cbe7defa · Stephen Hemminger · David S. Miller · cd290c4a · cbe7defa
Commit cbe7defa authored Jun 04, 2003 by Stephen Hemminger Committed by David S. Miller Jun 04, 2003
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drivers/net/tun.c drivers/net/tun.c +3 -1

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--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -551,10 +551,12 @@ static int tun_chr_close(struct inode *inode, struct file *file)
 	if (!(tun->flags & TUN_PERSIST)) {
 		dev_close(&tun->dev);
 		unregister_netdevice(&tun->dev);
-		kfree(tun);
 	}
 	rtnl_unlock();
+	if (!(tun->flags & TUN_PERSIST)) 
+		kfree(tun);
 	return 0;
 }