[U-Boot] [PATCH] cmd: efi_loader: Return CMD_RET_USAGE in case of not enough arguments

[Bin Meng]

When typing 'bootefi' from U-Boot shell, nothing outputs. Like other
commands, return CMD_RET_USAGE so that it can print help message.

Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
---

 cmd/bootefi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmd/bootefi.c b/cmd/bootefi.c
index ecf9968..ccd2126 100644
--- a/cmd/bootefi.c
+++ b/cmd/bootefi.c
@@ -228,7 +228,7 @@ static int do_bootefi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 	int r = 0;
 
 	if (argc < 2)
-		return 1;
+		return CMD_RET_USAGE;
 #ifdef CONFIG_CMD_BOOTEFI_HELLO
 	if (!strcmp(argv[1], "hello")) {
 		addr = CONFIG_SYS_LOAD_ADDR;
-- 
2.9.2