openvswitch: Use IS_ERR_OR_NULL

Author: Himangi Saraogi <himangi774@gmail.com>

This patch introduces the use of the macro IS_ERR_OR_NULL in place of
tests for NULL and IS_ERR.

The following Coccinelle semantic patch was used for making the change:

@@
expression e;
@@

- e == NULL || IS_ERR(e)
+ IS_ERR_OR_NULL(e)
 || ...

Signed-off-by: Himangi Saraogi 
Acked-by: Julia Lawall 
Acked-by: Pravin B Shelar 
Signed-off-by: David S. Miller

---
 net/openvswitch/datapath.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
 
diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index 3c461e1..7ad3f02 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -781,7 +781,7 @@ static struct sk_buff *ovs_flow_cmd_build_info(const struct sw_flow *flow,
 
 	skb = ovs_flow_cmd_alloc_info(ovsl_dereference(flow->sf_acts), info,
 				      always);
-	if (!skb || IS_ERR(skb))
+	if (IS_ERR_OR_NULL(skb))
 		return skb;
 
 	retval = ovs_flow_cmd_fill_info(flow, dp_ifindex, skb,

openvswitch: Use IS_ERR_OR_NULL

qlambert

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