sd-device: allow uevent files to be write-only

2015-04-14 16:19:37 +02:00
parent 8d8ce9e2cd
commit bba061662b
1 changed files with 4 additions and 1 deletions
@@ -499,7 +499,10 @@ int device_read_uevent_file(sd_device *device) {
        path = strjoina(syspath, "/uevent");

        r = read_full_file(path, &uevent, &uevent_len);
-        if (r < 0) {
+        if (r == -EACCES)
+                /* empty uevent files may be write-only */
+                return 0;
+        else if (r < 0) {
                log_debug("sd-device: failed to read uevent file '%s': %s", path, strerror(-r));
                return r;
        }