[U-Boot] [PATCH] usb_scan_devices: fix output with no devices

[Remy Bohmer]

Hello Mike,

2009/1/19 Mike Frysinger <vapier at gentoo.org>:
> From: Bryan Wu <bryan.wu at analog.com>
>
> We should check the return of usb_new_device() so that if no USB device is
> found, we print out the right message rather than always saying "new usb
> device found".
>
> Signed-off-by: Bryan Wu <bryan.wu at analog.com>
> Signed-off-by: Mike Frysinger <vapier at gentoo.org>
> ---
> this is against u-boot-usb.git ... apparently that has a lot of whitespace
> cleanups in it.  i'm guessing those will be merged into mainline after the
> next release ?  or should i redo the patch against u-boot.git ?

I move it to the usb/testing branch.

Thanks.

Remy

>
>  common/usb.c |    6 ++++--
>  1 files changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/common/usb.c b/common/usb.c
> index ee18152..87ab752 100644
> --- a/common/usb.c
> +++ b/common/usb.c
> @@ -939,8 +939,10 @@ void usb_scan_devices(void)
>        dev_index = 0;
>        /* device 0 is always present (root hub, so let it analyze) */
>        dev = usb_alloc_new_device();
> -       usb_new_device(dev);
> -       printf("%d USB Device(s) found\n", dev_index);
> +       if (usb_new_device(dev))
> +               printf("No USB Device found\n");
> +       else
> +               printf("%d USB Device(s) found\n", dev_index);
>        /* insert "driver" if possible */
>  #ifdef CONFIG_USB_KEYBOARD
>        drv_usb_kbd_init();
> --
> 1.6.1
>
>