sd-nework: be more careful with error codes, return ENODATA if you lack information

2014-08-15 15:34:33 +02:00 · 2014-08-15 15:34:33 +02:00 · 31d2e1961a
parent 67272d157a
commit 31d2e1961a
1 changed files with 4 additions and 3 deletions
--- a/src/libsystemd/sd-network/sd-network.c
+++ b/src/libsystemd/sd-network/sd-network.c
@ -220,11 +220,12 @@ _public_ int sd_network_link_get_wildcard_domain(int ifindex) {
                return -ENOMEM;

        r = parse_env_file(p, NEWLINE, "WILDCARD_DOMAIN", &s, NULL);
+        if (r == -ENOENT)
+                return -ENODATA;
        if (r < 0)
                return r;
-
-        if (!s)
-                return -EIO;
+        if (isempty(s))
+                return -ENODATA;

        return parse_boolean(s);
 }