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authorYu Watanabe <watanabe.yu+github@gmail.com>2022-09-24 02:31:00 +0200
committerYu Watanabe <watanabe.yu+github@gmail.com>2022-09-27 03:42:31 +0200
commite05dd7718d0b32e039c9e0f7bf3875079d1a359d (patch)
tree31dd3087ce69e79f563d6d47343b827bf1241f11 /src
parentsd-network: drop fallback values (diff)
downloadsystemd-e05dd7718d0b32e039c9e0f7bf3875079d1a359d.tar.xz
systemd-e05dd7718d0b32e039c9e0f7bf3875079d1a359d.zip
sd-network: make sd_network_link_get_dns() or friends return -ENODATA
To make them consistent with other functions.
Diffstat (limited to 'src')
-rw-r--r--src/libsystemd/sd-network/sd-network.c18
-rw-r--r--src/resolve/resolved-link.c2
-rw-r--r--src/timesync/timesyncd-manager.c2
3 files changed, 6 insertions, 16 deletions
diff --git a/src/libsystemd/sd-network/sd-network.c b/src/libsystemd/sd-network/sd-network.c
index 4fd4c2502b..3d6b07f39f 100644
--- a/src/libsystemd/sd-network/sd-network.c
+++ b/src/libsystemd/sd-network/sd-network.c
@@ -68,10 +68,8 @@ static int network_get_strv(const char *key, char ***ret) {
r = parse_env_file(NULL, "/run/systemd/netif/state", key, &s);
if (r < 0)
return r;
- if (isempty(s)) {
- *ret = NULL;
- return 0;
- }
+ if (isempty(s))
+ return -ENODATA;
a = strv_split(s, NULL);
if (!a)
@@ -132,7 +130,6 @@ static int network_link_get_boolean(int ifindex, const char *key) {
}
static int network_link_get_strv(int ifindex, const char *key, char ***ret) {
- char path[STRLEN("/run/systemd/netif/links/") + DECIMAL_STR_MAX(ifindex)];
_cleanup_strv_free_ char **a = NULL;
_cleanup_free_ char *s = NULL;
int r;
@@ -140,14 +137,9 @@ static int network_link_get_strv(int ifindex, const char *key, char ***ret) {
assert_return(ifindex > 0, -EINVAL);
assert_return(ret, -EINVAL);
- xsprintf(path, "/run/systemd/netif/links/%i", ifindex);
- r = parse_env_file(NULL, path, key, &s);
+ r = network_link_get_string(ifindex, key, &s);
if (r < 0)
return r;
- if (isempty(s)) {
- *ret = NULL;
- return 0;
- }
a = strv_split(s, NULL);
if (!a)
@@ -261,7 +253,6 @@ int sd_network_link_get_dns_default_route(int ifindex) {
}
static int network_link_get_ifindexes(int ifindex, const char *key, int **ret) {
- char path[STRLEN("/run/systemd/netif/links/") + DECIMAL_STR_MAX(ifindex)];
_cleanup_free_ int *ifis = NULL;
_cleanup_free_ char *s = NULL;
size_t c = 0;
@@ -270,8 +261,7 @@ static int network_link_get_ifindexes(int ifindex, const char *key, int **ret) {
assert_return(ifindex > 0, -EINVAL);
assert_return(ret, -EINVAL);
- xsprintf(path, "/run/systemd/netif/links/%i", ifindex);
- r = parse_env_file(NULL, path, key, &s);
+ r = network_link_get_string(ifindex, key, &s);
if (r < 0)
return r;
diff --git a/src/resolve/resolved-link.c b/src/resolve/resolved-link.c
index cd960e25b1..35b31a5317 100644
--- a/src/resolve/resolved-link.c
+++ b/src/resolve/resolved-link.c
@@ -469,7 +469,7 @@ static int link_update_dnssec_negative_trust_anchors(Link *l) {
r = sd_network_link_get_dnssec_negative_trust_anchors(l->ifindex, &ntas);
if (r == -ENODATA)
- return r;
+ return 0;
if (r < 0)
return r;
diff --git a/src/timesync/timesyncd-manager.c b/src/timesync/timesyncd-manager.c
index 49eb228318..e9fa00aaca 100644
--- a/src/timesync/timesyncd-manager.c
+++ b/src/timesync/timesyncd-manager.c
@@ -972,7 +972,7 @@ static int manager_network_read_link_servers(Manager *m) {
if (r < 0) {
if (r == -ENOMEM)
log_oom();
- else
+ else if (r != -ENODATA)
log_debug_errno(r, "Failed to get link NTP servers: %m");
goto clear;
}