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criu/namespaces.c: correct pr_err vs pr_perror usage

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So, in places where we have errno available (and it makes sense
to show it), we want to use pr_perror().

In places where errno is not set/used, use pr_err().

Cc: Dengguangxing <dengguangxing@huawei.com>
Signed-off-by: Kir Kolyshkin <kir@openvz.org>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
This commit is contained in:
Kir Kolyshkin 2017-03-23 15:02:06 -07:00 • committed by Andrei Vagin
parent 16259242f5
commit f4e7b6e78f
1 changed files with 4 additions and 3 deletions
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7
criu/namespaces.c
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@ -47,7 +47,7 @@ int check_namespace_opts(void)
{
errno = 22;
if (join_ns_flags & opts.empty_ns) {
pr_perror("Conflict flags: -join-ns and -empty-ns");
pr_err("Conflicting flags: --join-ns and --empty-ns\n");
return -1;
}
if (join_ns_flags & CLONE_NEWUSER)
@ -90,12 +90,13 @@ static int check_ns_file(char *ns_file)
if (!check_int_str(ns_file)) {
pid = atoi(ns_file);
if (pid <= 0) {
pr_perror("Invalid join_ns pid %s", ns_file);
pr_err("Invalid join_ns pid %s\n", ns_file);
return -1;
}
proc_dir = open_pid_proc(pid);
if (proc_dir < 0) {
pr_perror("Invalid join_ns pid: /proc/%s not found", ns_file);
pr_err("Invalid join_ns pid: /proc/%s not found\n",
ns_file);
return -1;
}
return 0;