efivars: debug log if we fail to detect whether /sys/firmware/efi/ exists

2021-02-11 23:09:54 +01:00
parent 1c3c43a417
commit 5b4c163002
1 changed files with 4 additions and 1 deletions
@@ -290,8 +290,11 @@ bool is_efi_boot(void) {
        if (cache < 0) {
                if (detect_container() > 0)
                        cache = false;
-                else
+                else {
                        cache = access("/sys/firmware/efi/", F_OK) >= 0;
+                        if (!cache && errno != ENOENT)
+                                log_debug_errno(errno, "Unable to test whether /sys/firmware/efi/ exists, assuming EFI not available: %m");
+                }
        }

        return cache;