cmd_usage(): simplify return code handling

Lots of code use this construct:

	cmd_usage(cmdtp);
	return 1;

Change cmd_usage() let it return 1 - then we can replace all these
ocurrances by

	return cmd_usage(cmdtp);

This fixes a few places with incorrect return code handling, too.

Signed-off-by: Wolfgang Denk <wd@denx.de>

1 files changed, 4 insertions, 8 deletions

diff --git a/common/cmd_ubi.c b/common/cmd_ubi.c
index 2faf8d8..77ca0a5 100644
--- a/common/cmd_ubi.c
+++ b/common/cmd_ubi.c
@@ -442,10 +442,8 @@ static int do_ubi(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
 	ulong addr = 0;
 	int err = 0;
 
-	if (argc < 2) {
-		cmd_usage(cmdtp);
-		return 1;
-	}
+	if (argc < 2)
+		return cmd_usage(cmdtp);
 
 	if (mtdparts_init() != 0) {
 		printf("Error initializing mtdparts!\n");
@@ -471,10 +469,8 @@ static int do_ubi(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
 			return 0;
 		}
 
-		if (argc < 3) {
-			cmd_usage(cmdtp);
-			return 1;
-		}
+		if (argc < 3)
+			return cmd_usage(cmdtp);
 
 		/* todo: get dev number for NAND... */
 		ubi_dev.nr = 0;