initrd: do a debug log if /etc/initrd-release doesn't take effect

Signed-off-by: Kairui Song <kasong@redhat.com>
2021-01-14 21:51:12 +08:00
parent 3b9b916968
commit b562b9c68c
1 changed files with 11 additions and 2 deletions
@@ -96,8 +96,17 @@ bool in_initrd(void) {
                saved_in_initrd = r > 0;
        }

-        if (saved_in_initrd != 0)
-                saved_in_initrd = access("/etc/initrd-release", F_OK) >= 0;
+        r = access("/etc/initrd-release", F_OK);
+        if (r >= 0) {
+                if (saved_in_initrd == 0)
+                        log_debug("/etc/initrd-release exists, but it's not an initrd.");
+                else
+                        saved_in_initrd = 1;
+        } else {
+                if (errno != ENOENT)
+                        log_debug_errno(errno, "Failed to test if /etc/initrd-release exists: %m");
+                saved_in_initrd = 0;
+        }

        return saved_in_initrd;
 }