netvsc: fix ptr_ret.cocci warnings

drivers/net/hyperv/netvsc_drv.c:737:8-14: WARNING: PTR_ERR_OR_ZERO can be used

 Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: scripts/coccinelle/api/ptr_ret.cocci

Fixes: 9749fed5d4 ("netvsc: use ERR_PTR to avoid dereference issues")
CC: stephen hemminger <stephen@networkplumber.org>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wu Fengguang 2017-07-22 02:54:43 +08:00 committed by David S. Miller
parent 71085745ec
commit 1bb79284fc
1 changed files with 1 additions and 1 deletions

View File

@ -734,7 +734,7 @@ static int netvsc_set_queues(struct net_device *net, struct hv_device *dev,
return ret;
net_device = rndis_filter_device_add(dev, &device_info);
return IS_ERR(net_device) ? PTR_ERR(net_device) : 0;
return PTR_ERR_OR_ZERO(net_device);
}
static int netvsc_set_channels(struct net_device *net,