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kerndat: bind ipv6-socket only if ipv6 is enabled

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Fixes: #2222
Fixes: f1c8d38 ("kerndat: check if setsockopt IPV6_FREEBIND is supported")
Signed-off-by: Yan Evzman <yevzman@gmail.com>
Signed-off-by: Andrei Vagin <avagin@google.com>
This commit is contained in:
Yan Evzman 2023-07-07 00:36:41 +03:00 • committed by Andrei Vagin
parent 6b8107cd1b
commit 8ee35bebb5
1 changed files with 5 additions and 0 deletions
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5
criu/kerndat.c
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@ -1578,6 +1578,11 @@ static int kerndat_has_ipv6_freebind(void)
{
int sk, val;
if (!kdat.ipv6) {
kdat.has_ipv6_freebind = false;
return 0;
}
sk = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
if (sk == -1) {
pr_perror("Unable to create a ipv6 dgram socket");