netdev - [PATCH 14/21] netfilter: bitwise: replace gotos with returns.

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Date:   Sat, 18 Jan 2020 21:14:10 +0100
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     netfilter-devel@...r.kernel.org
Cc:     davem@...emloft.net, netdev@...r.kernel.org
Subject: [PATCH 14/21] netfilter: bitwise: replace gotos with returns.

From: Jeremy Sowden <jeremy@...zel.net>

When dumping a bitwise expression, if any of the puts fails, we use goto
to jump to a label.  However, no clean-up is required and the only
statement at the label is a return.  Drop the goto's and return
immediately instead.

Signed-off-by: Jeremy Sowden <jeremy@...zel.net>
Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
---
 net/netfilter/nft_bitwise.c | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/net/netfilter/nft_bitwise.c b/net/netfilter/nft_bitwise.c
index 85605fb1e360..c15e9beb5243 100644
--- a/net/netfilter/nft_bitwise.c
+++ b/net/netfilter/nft_bitwise.c
@@ -107,24 +107,21 @@ static int nft_bitwise_dump(struct sk_buff *skb, const struct nft_expr *expr)
 	const struct nft_bitwise *priv = nft_expr_priv(expr);
 
 	if (nft_dump_register(skb, NFTA_BITWISE_SREG, priv->sreg))
-		goto nla_put_failure;
+		return -1;
 	if (nft_dump_register(skb, NFTA_BITWISE_DREG, priv->dreg))
-		goto nla_put_failure;
+		return -1;
 	if (nla_put_be32(skb, NFTA_BITWISE_LEN, htonl(priv->len)))
-		goto nla_put_failure;
+		return -1;
 
 	if (nft_data_dump(skb, NFTA_BITWISE_MASK, &priv->mask,
 			  NFT_DATA_VALUE, priv->len) < 0)
-		goto nla_put_failure;
+		return -1;
 
 	if (nft_data_dump(skb, NFTA_BITWISE_XOR, &priv->xor,
 			  NFT_DATA_VALUE, priv->len) < 0)
-		goto nla_put_failure;
+		return -1;
 
 	return 0;
-
-nla_put_failure:
-	return -1;
 }
 
 static struct nft_data zero;
-- 
2.11.0