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From: Vito Caputo <>
Subject: [PATCH] net: core: skbuff: skb_checksum_setup() drop err
Date: Sat, 12 Oct 2019 17:30:53 -0700
Message-ID: <> (raw)

Return directly from all switch cases, no point in storing in err.

Signed-off-by: Vito Caputo <>
 net/core/skbuff.c | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index f5f904f46893..c59b68a413b5 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -4888,23 +4888,14 @@ static int skb_checksum_setup_ipv6(struct sk_buff *skb, bool recalculate)
 int skb_checksum_setup(struct sk_buff *skb, bool recalculate)
-	int err;
 	switch (skb->protocol) {
 	case htons(ETH_P_IP):
-		err = skb_checksum_setup_ipv4(skb, recalculate);
-		break;
+		return skb_checksum_setup_ipv4(skb, recalculate);
 	case htons(ETH_P_IPV6):
-		err = skb_checksum_setup_ipv6(skb, recalculate);
-		break;
+		return skb_checksum_setup_ipv6(skb, recalculate);
-		err = -EPROTO;
-		break;
+		return -EPROTO;
-	return err;

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