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>
diff --git a/common/cmd_net.c b/common/cmd_net.c
index 3cdb07f..3ffb9df 100644
--- a/common/cmd_net.c
+++ b/common/cmd_net.c
@@ -186,9 +186,9 @@
break;
- default: cmd_usage(cmdtp);
+ default:
show_boot_progress (-80);
- return 1;
+ return cmd_usage(cmdtp);
}
show_boot_progress (80);
@@ -236,10 +236,8 @@
return -1;
NetPingIP = string_to_ip(argv[1]);
- if (NetPingIP == 0) {
- cmd_usage(cmdtp);
- return -1;
- }
+ if (NetPingIP == 0)
+ return cmd_usage(cmdtp);
if (NetLoop(PING) < 0) {
printf("ping failed; host %s is not alive\n", argv[1]);
@@ -342,10 +340,8 @@
#if defined(CONFIG_CMD_DNS)
int do_dns(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- if (argc == 1) {
- cmd_usage(cmdtp);
- return -1;
- }
+ if (argc == 1)
+ return cmd_usage(cmdtp);
/*
* We should check for a valid hostname:
