[PATCH] netvsc: fix ptr_ret.cocci warnings

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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: 9749fed5d43d ("netvsc: use ERR_PTR to avoid dereference issues")
CC: stephen hemminger <stephen@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
---

 netvsc_drv.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -734,7 +734,7 @@ static int netvsc_set_queues(struct net_
 		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,
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