diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c
index 52d5f46abf863f77eafb78ac059b75580dfd2e50..adab393b2fe5f421c2cd743dab37cd2c21b31a69 100644
--- a/net/ipv4/udp_offload.c
+++ b/net/ipv4/udp_offload.c
@@ -294,7 +294,7 @@ static struct sk_buff **udp4_gro_receive(struct sk_buff **head,
 		goto flush;
 
 	/* Don't bother verifying checksum if we're going to flush anyway. */
-	if (!NAPI_GRO_CB(skb)->flush)
+	if (NAPI_GRO_CB(skb)->flush)
 		goto skip;
 
 	if (skb_gro_checksum_validate_zero_check(skb, IPPROTO_UDP, uh->check,
diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c
index a1ad34b1c4ecd236bfd1d3536ccffe60013ca29b..de85f809bf2985a882d0b056b92c5705ee2e74e9 100644
--- a/net/ipv6/udp_offload.c
+++ b/net/ipv6/udp_offload.c
@@ -138,7 +138,7 @@ static struct sk_buff **udp6_gro_receive(struct sk_buff **head,
 		goto flush;
 
 	/* Don't bother verifying checksum if we're going to flush anyway. */
-	if (!NAPI_GRO_CB(skb)->flush)
+	if (NAPI_GRO_CB(skb)->flush)
 		goto skip;
 
 	if (skb_gro_checksum_validate_zero_check(skb, IPPROTO_UDP, uh->check,