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kerndat: Don't fail on NETLINK/nsid support missing.

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If not dumping netns nor connections, nsid support is not used. Don't
fail the run as if the support is needed, the dumping process will fail
later.

Change-Id: I39a086756f6d520c73bb6b21eaf6d9fb49a18879
Signed-off-by: Michał Mirosław <emmir@google.com>
This commit is contained in:
Michał Mirosław 2023-06-22 21:33:16 +02:00 committed by Andrei Vagin
parent bf8446ae5f
commit eecc53d05a
1 changed files with 6 additions and 4 deletions
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10
criu/kerndat.c
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@ -707,16 +707,18 @@ static int kerndat_nsid(void)
{
int nsid, sk;
kdat.has_nsid = false;
sk = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (sk < 0) {
pr_perror("Unable to create a netlink socket");
return -1;
pr_pwarn("Unable to create a netlink socket: NSID can't be used.");
return 0;
}
if (net_get_nsid(sk, getpid(), &nsid) < 0) {
pr_err("NSID is not supported\n");
pr_warn("NSID is not supported\n");
close(sk);
return -1;
return 0;
}
kdat.has_nsid = true;