From: Al Viro Date: Sun, 16 Sep 2007 23:43:04 +0000 (-0700) Subject: [VLAN]: Fix net_device leak. X-Git-Tag: firefly_0821_release~26497^2 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d9f30ec0b0d129b9cbf2b041a6a3159aa24592f6;p=firefly-linux-kernel-4.4.55.git [VLAN]: Fix net_device leak. In "[VLAN]: Move device registation to seperate function" (commit e89fe42cd03c8fd3686df82d8390a235717a66de), a pile of code got moved to register_vlan_dev(), including grabbing a reference to underlying device. However, original dev_hold() had been left behind, so we leak a reference to net_device now... Signed-off-by: Al Viro Signed-off-by: David S. Miller --- diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index 1583c5ef963f..2a546919d6fb 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -562,8 +562,6 @@ static int register_vlan_device(struct net_device *real_dev, if (err < 0) goto out_free_newdev; - /* Account for reference in struct vlan_dev_info */ - dev_hold(real_dev); #ifdef VLAN_DEBUG printk(VLAN_DBG "Allocated new device successfully, returning.\n"); #endif