Re: [PATCH] testusb: add path /dev/bus/usb to default search paths for usbfs

[Sergei Shtylyov <sshtylyov@mvista.com>]

Hello.

On 14-05-2012 10:51, Du, ChangbinX wrote:

> As real device-nodes managed by udev whose nodes lived in /dev/bus/usb
> are mostly used today, let testusb tool use that directory as one default
> path make tool be more convenient to use.

> Signed-off-by: Du Changbin<changbinx.du@intel.com>
> ---
>   tools/usb/testusb.c |    6 ++++++
>   1 file changed, 6 insertions(+)

> diff --git a/tools/usb/testusb.c b/tools/usb/testusb.c
> index 6e0f567..c6c839e 100644
> --- a/tools/usb/testusb.c
> +++ b/tools/usb/testusb.c
[...]
> @@ -376,6 +377,11 @@ static const char *usbfs_dir_find(void)
>   		}
>   	} while (++it != end);
>
> +	/* real device-nodes managed by udev */
> +	if (access(udev_usb_path, F_OK) == 0) {
> +		return udev_usb_path;
> +	}

    Why {} with single statement?

WBR, Sergei