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| author | Jiapeng Chong <jiapeng.chong@linux.alibaba.com> | 2023-01-31 14:34:56 +0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-02-01 19:55:41 -0800 |
| commit | bc61761394ce0f0cc35c6fc60426f08d83d0d488 (patch) | |
| tree | 08aa30bb157de5e34f6baa77e10e793c4cb2e298 /net/ipv6 | |
| parent | 074dd3b35aaa4807306268c1654200d3608ebbf3 (diff) | |
| download | linux-bc61761394ce0f0cc35c6fc60426f08d83d0d488.tar.gz linux-bc61761394ce0f0cc35c6fc60426f08d83d0d488.tar.bz2 linux-bc61761394ce0f0cc35c6fc60426f08d83d0d488.zip | |
ipv6: ICMPV6: Use swap() instead of open coding it
Swap is a function interface that provides exchange function. To avoid
code duplication, we can use swap function.
./net/ipv6/icmp.c:344:25-26: WARNING opportunity for swap().
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3896
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20230131063456.76302-1-jiapeng.chong@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/icmp.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c index 79c769c0d113..c9346515e24d 100644 --- a/net/ipv6/icmp.c +++ b/net/ipv6/icmp.c @@ -332,7 +332,6 @@ static void mip6_addr_swap(struct sk_buff *skb, const struct inet6_skb_parm *opt { struct ipv6hdr *iph = ipv6_hdr(skb); struct ipv6_destopt_hao *hao; - struct in6_addr tmp; int off; if (opt->dsthao) { @@ -340,9 +339,7 @@ static void mip6_addr_swap(struct sk_buff *skb, const struct inet6_skb_parm *opt if (likely(off >= 0)) { hao = (struct ipv6_destopt_hao *) (skb_network_header(skb) + off); - tmp = iph->saddr; - iph->saddr = hao->addr; - hao->addr = tmp; + swap(iph->saddr, hao->addr); } } } |