platform: preserve errno when creating netns fails

(cherry picked from commit 7a98ee78be)
This commit is contained in:
Thomas Haller 2017-11-14 15:32:39 +01:00
parent 9464fa0963
commit f4cd75d422

View file

@ -290,6 +290,7 @@ _netns_new (GError **error)
g_set_error (error, NM_UTILS_ERROR, NM_UTILS_ERROR_UNKNOWN,
"Failed opening netns: %s",
g_strerror (errsv));
errno = errsv;
return NULL;
}
@ -300,6 +301,7 @@ _netns_new (GError **error)
"Failed opening mntns: %s",
g_strerror (errsv));
nm_close (fd_net);
errno = errsv;
return NULL;
}
@ -479,6 +481,7 @@ nmp_netns_new (void)
if (!_stack_peek ()) {
/* there are no netns instances. We cannot create a new one
* (because after unshare we couldn't return to the original one). */
errno = ENOTSUP;
return NULL;
}
@ -508,6 +511,7 @@ nmp_netns_new (void)
self = _netns_new (&error);
if (!self) {
errsv = errno;
_LOGE (NULL, "failed to create netns after unshare: %s", error->message);
g_clear_error (&error);
goto err_out;
@ -518,6 +522,7 @@ nmp_netns_new (void)
return self;
err_out:
_netns_switch_pop (NULL, _CLONE_NS_ALL);
errno = errsv;
return NULL;
}