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Commit f6fe916e authored by Du, ChangbinX's avatar Du, ChangbinX Committed by Greg Kroah-Hartman
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USB: testusb: add path /dev/bus/usb to default search paths for usbfs 



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: default avatarDu Changbin <changbinx.du@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 1996e6c5

tools/usb/testusb.c

+5 −0
Original line number Diff line number Diff line
@@ -358,6 +358,7 @@ static const char *usbfs_dir_find(void) 
{

	static char usbfs_path_0[] = "/dev/usb/devices";

	static char usbfs_path_1[] = "/proc/bus/usb/devices";

	static char udev_usb_path[] = "/dev/bus/usb";



	static char *const usbfs_paths[] = {

		usbfs_path_0, usbfs_path_1
@@ -376,6 +377,10 @@ 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;



	return NULL;

}