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test: static/socket-tcp -- Check if unshare successed

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Reviewed-by: Dmitry Safonov <0x7f454c46@gmail.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
This commit is contained in:
Cyrill Gorcunov 2018-09-19 14:50:33 +03:00 committed by Andrei Vagin
parent dbdd19fa1b
commit 1efdb547e2
1 changed files with 4 additions and 1 deletions
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5
test/zdtm/static/socket-tcp.c
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@ -68,7 +68,10 @@ int main(int argc, char **argv)
socklen_t optlen;
#ifdef ZDTM_CONNTRACK
unshare(CLONE_NEWNET);
if (unshare(CLONE_NEWNET)) {
pr_perror("unshare");
return 1;
}
if (system("ip link set up dev lo"))
return 1;
if (system("iptables -w -A INPUT -i lo -p tcp -m state --state NEW,ESTABLISHED -j ACCEPT"))