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| author | Wolfgang Denk <wd@denx.de> | 2010-07-17 01:06:04 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-07-24 20:43:57 +0200 |
| commit | 47e26b1bf91ddef69f4a3892815c857db094cef9 (patch) | |
| tree | 7d688085d23779707c637703273f79bd3cca83e0 /board/amcc/taihu/lcd.c | |
| parent | debb6299ac1180a08f29f88c6d782b21a9c98707 (diff) | |
| download | u-boot-imx-47e26b1bf91ddef69f4a3892815c857db094cef9.zip u-boot-imx-47e26b1bf91ddef69f4a3892815c857db094cef9.tar.gz u-boot-imx-47e26b1bf91ddef69f4a3892815c857db094cef9.tar.bz2 | |
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>
Diffstat (limited to 'board/amcc/taihu/lcd.c')
| -rw-r--r-- | board/amcc/taihu/lcd.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/board/amcc/taihu/lcd.c b/board/amcc/taihu/lcd.c index 595dee3..9b2afda 100644 --- a/board/amcc/taihu/lcd.c +++ b/board/amcc/taihu/lcd.c @@ -139,10 +139,9 @@ static int do_lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char * const arg static int do_lcd_puts (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) { - if (argc < 2) { - cmd_usage(cmdtp); - return 1; - } + if (argc < 2) + return cmd_usage(cmdtp); + lcd_puts(argv[1]); return 0; @@ -150,10 +149,9 @@ static int do_lcd_puts (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv static int do_lcd_putc (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) { - if (argc < 2) { - cmd_usage(cmdtp); - return 1; - } + if (argc < 2) + return cmd_usage(cmdtp); + lcd_putc((char)argv[1][0]); return 0; @@ -165,10 +163,8 @@ static int do_lcd_cur (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[ ulong dir; char cur_addr; - if (argc < 3) { - cmd_usage(cmdtp); - return 1; - } + if (argc < 3) + return cmd_usage(cmdtp); count = simple_strtoul(argv[1], NULL, 16); if (count > 31) { |