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sk-unix: add some missed error printing

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In Virtuozzo tests we have seen uninformative errors:

(26.575039) 151187 fdinfo 6: pos: 0 flags: 2/0
(26.575076) sockets: Searching for socket 0x346d1 family 1
(666.230281 ----------------------------------------
(666.230586 Error (criu/cr-dump.c:1850): Dump files (pid: 151187) failed
with -1

So let's add some error messages to this stack.

Signed-off-by: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
This commit is contained in:
Pavel Tikhomirov 2020-08-17 14:27:36 +03:00 • committed by Andrei Vagin
parent a0158e6927
commit 66fd45d51d
1 changed files with 2 additions and 0 deletions
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2
criu/sk-unix.c
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@ -595,12 +595,14 @@ static int unix_resolve_name_old(int lfd, uint32_t id, struct unix_sk_desc *d, U
else
ns = lookup_ns_by_id(root_item->ids->mnt_ns_id, &mnt_ns_desc);
if (!ns) {
pr_err("Failed to lookup ns by mnt id %d\n", ue->mnt_id);
ret = -ENOENT;
goto out;
}
mntns_root = mntns_get_root_fd(ns);
if (mntns_root < 0) {
pr_err("Failed to lookup mntns root for ns %d\n", ns->id);
ret = -ENOENT;
goto out;
}