X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=discover%2Fgrub2%2Fenv.c;h=74d5729dd19bb3c81255fb38d93bc4c9f38df878;hb=7edc34c4ee8dc0913ea1a4ec64d3fbe6d64afc6d;hp=3598927e0f295c5656e2fa93ee3192d32a18b92e;hpb=01e104dfb79a09bc28f8c5fb65bfe44596c25161;p=petitboot

diff --git a/discover/grub2/env.c b/discover/grub2/env.c
index 3598927..74d5729 100644
--- a/discover/grub2/env.c
+++ b/discover/grub2/env.c
@@ -86,6 +86,8 @@ int builtin_load_env(struct grub2_script *script,
 
 	if (!rc) {
 		rc = parse_buf_to_env(script, buf, len);
+		if (rc)
+			pb_debug_fn("Failed to set env\n");
 		talloc_free(buf);
 	}
 
@@ -257,6 +259,10 @@ int builtin_save_env(struct grub2_script *script,
 
 		name = argv[i];
 		value = script_env_get(script, name);
+		if (!value) {
+			pb_log("Saved unset environment variable %s!\n", name);
+			value = "";
+		}
 
 		update_env(buf + siglen, len - siglen, name, value);
 	}