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, 18 insertions, 31 deletions

diff --git a/tools/updater/cmd_flash.c b/tools/updater/cmd_flash.c
index 5ce45baeb4..957a7c4f68 100644
--- a/tools/updater/cmd_flash.c
+++ b/tools/updater/cmd_flash.c
@@ -121,10 +121,8 @@ int do_flerase(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
 	int n, sect_first, sect_last;
 	int rcode = 0;
 
-	if (argc < 2) {
-		cmd_usage(cmdtp);
-		return 1;
-	}
+	if (argc < 2)
+		return cmd_usage(cmdtp);
 
 	if (strcmp(argv[1], "all") == 0) {
 		for (bank=1; bank<=CONFIG_SYS_MAX_FLASH_BANKS; ++bank) {
@@ -146,10 +144,8 @@ int do_flerase(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
 		return rcode;
 	}
 
-	if (argc != 3) {
-		cmd_usage(cmdtp);
-		return 1;
-	}
+	if (argc != 3)
+		return cmd_usage(cmdtp);
 
 	if (strcmp(argv[1], "bank") == 0) {
 		bank = simple_strtoul(argv[2], NULL, 16);
@@ -167,10 +163,8 @@ int do_flerase(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
 	addr_first = simple_strtoul(argv[1], NULL, 16);
 	addr_last  = simple_strtoul(argv[2], NULL, 16);
 
-	if (addr_first >= addr_last) {
-		cmd_usage(cmdtp);
-		return 1;
-	}
+	if (addr_first >= addr_last)
+		return cmd_usage(cmdtp);
 
 	printf ("Erase Flash from 0x%08lx to 0x%08lx ", addr_first, addr_last);
 	rcode = flash_sect_erase(addr_first, addr_last);
@@ -243,19 +237,15 @@ int do_protect(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
 	int i, p, n, sect_first, sect_last;
 	int rcode = 0;
 
-	if (argc < 3) {
-		cmd_usage(cmdtp);
-		return 1;
-	}
+	if (argc < 3)
+		return cmd_usage(cmdtp);
 
 	if (strcmp(argv[1], "off") == 0)
 		p = 0;
 	else if (strcmp(argv[1], "on") == 0)
 		p = 1;
-	else {
-		cmd_usage(cmdtp);
-		return 1;
-	}
+	else
+		return cmd_usage(cmdtp);
 
 	if (strcmp(argv[2], "all") == 0) {
 		for (bank=1; bank<=CONFIG_SYS_MAX_FLASH_BANKS; ++bank) {
@@ -309,10 +299,8 @@ int do_protect(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
 		return rcode;
 	}
 
-	if (argc != 4) {
-		cmd_usage(cmdtp);
-		return 1;
-	}
+	if (argc != 4)
+		return cmd_usage(cmdtp);
 
 	if (strcmp(argv[2], "bank") == 0) {
 		bank = simple_strtoul(argv[3], NULL, 16);
@@ -340,7 +328,8 @@ int do_protect(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
 		}
 
 #if defined(CONFIG_SYS_FLASH_PROTECTION)
-		if (!rcode) puts (" done\n");
+		if (!rcode)
+			puts(" done\n");
 #endif	/* CONFIG_SYS_FLASH_PROTECTION */
 
 		return rcode;
@@ -349,12 +338,10 @@ int do_protect(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
 	addr_first = simple_strtoul(argv[2], NULL, 16);
 	addr_last  = simple_strtoul(argv[3], NULL, 16);
 
-	if (addr_first >= addr_last) {
-		cmd_usage(cmdtp);
-		return 1;
-	}
-	rcode = flash_sect_protect (p, addr_first, addr_last);
-	return rcode;
+	if (addr_first >= addr_last)
+		return cmd_usage(cmdtp);
+
+	return flash_sect_protect (p, addr_first, addr_last);
 }
 int flash_sect_protect (int p, ulong addr_first, ulong addr_last)
 {