Commit cb4855b4 authored by Dan Carpenter's avatar Dan Carpenter Committed by Greg Kroah-Hartman

Staging: vt6655-6: potential NULL dereference in hostap_disable_hostapd()

We fixed this to use free_netdev() instead of kfree() but unfortunately
free_netdev() doesn't accept NULL pointers.  Smatch complains about
this, it's not something I discovered through testing.

Fixes: 3030d40b ('staging: vt6655: use free_netdev instead of kfree')
Fixes: 0a438d5b ('staging: vt6656: use free_netdev instead of kfree')
Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 3de00ee4
......@@ -143,7 +143,8 @@ static int hostap_disable_hostapd(PSDevice pDevice, int rtnl_locked)
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Netdevice %s unregistered\n",
pDevice->dev->name, pDevice->apdev->name);
}
free_netdev(pDevice->apdev);
if (pDevice->apdev)
free_netdev(pDevice->apdev);
pDevice->apdev = NULL;
pDevice->bEnable8021x = false;
pDevice->bEnableHostWEP = false;
......
......@@ -133,7 +133,8 @@ static int hostap_disable_hostapd(struct vnt_private *pDevice, int rtnl_locked)
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Netdevice %s unregistered\n",
pDevice->dev->name, pDevice->apdev->name);
}
free_netdev(pDevice->apdev);
if (pDevice->apdev)
free_netdev(pDevice->apdev);
pDevice->apdev = NULL;
pDevice->bEnable8021x = false;
pDevice->bEnableHostWEP = false;
......
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