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dm: Use uclass_first_device_err() where it is useful

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Use this new function in places where it simplifies the code.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2016-02-11 13:23:26 -07:00
parent b06750501f
commit 3f603cbbb8
17 changed files with 30 additions and 54 deletions
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6
drivers/video/vidconsole-uclass.c
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@ -240,8 +240,7 @@ static int do_video_setcursor(cmd_tbl_t *cmdtp, int flag, int argc,
if (argc != 3)
return CMD_RET_USAGE;
uclass_first_device(UCLASS_VIDEO_CONSOLE, &dev);
if (!dev)
if (uclass_first_device_err(UCLASS_VIDEO_CONSOLE, &dev))
return CMD_RET_FAILURE;
col = simple_strtoul(argv[1], NULL, 10);
row = simple_strtoul(argv[2], NULL, 10);
@ -259,8 +258,7 @@ static int do_video_puts(cmd_tbl_t *cmdtp, int flag, int argc,
if (argc != 2)
return CMD_RET_USAGE;
uclass_first_device(UCLASS_VIDEO_CONSOLE, &dev);
if (!dev)
if (uclass_first_device_err(UCLASS_VIDEO_CONSOLE, &dev))
return CMD_RET_FAILURE;
for (s = argv[1]; *s; s++)
vidconsole_put_char(dev, *s);