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authorLi Zetao <lizetao1@huawei.com>2024-08-22 21:39:06 +0800
committerJakub Kicinski <kuba@kernel.org>2024-08-26 09:48:53 -0700
commit26549dab8a4676ce549cb20bf384daf458a9ea24 (patch)
tree2ba4b1a6325134182bd19a88c6cc09043bc42fab /net/ipv6/mcast.c
parentb4985aa8e312fd40fbbce0fe44ce677368fdee43 (diff)
ipv6: mcast: use min() to simplify the code
When coping sockaddr in ip6_mc_msfget(), the time of copies depends on the minimum value between sl_count and gf_numsrc. Using min() here is very semantic. Signed-off-by: Li Zetao <lizetao1@huawei.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20240822133908.1042240-7-lizetao1@huawei.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv6/mcast.c')
-rw-r--r--net/ipv6/mcast.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 7ba01d8cfbae..b244dbf61d5f 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -586,7 +586,8 @@ int ip6_mc_msfget(struct sock *sk, struct group_filter *gsf,
const struct in6_addr *group;
struct ipv6_mc_socklist *pmc;
struct ip6_sf_socklist *psl;
- int i, count, copycount;
+ unsigned int count;
+ int i, copycount;
group = &((struct sockaddr_in6 *)&gsf->gf_group)->sin6_addr;
@@ -610,7 +611,7 @@ int ip6_mc_msfget(struct sock *sk, struct group_filter *gsf,
psl = sock_dereference(pmc->sflist, sk);
count = psl ? psl->sl_count : 0;
- copycount = count < gsf->gf_numsrc ? count : gsf->gf_numsrc;
+ copycount = min(count, gsf->gf_numsrc);
gsf->gf_numsrc = count;
for (i = 0; i < copycount; i++) {
struct sockaddr_in6 *psin6;