[PATCH v3] testusb: add path /dev/bus/usb to default search pathsof usbfs

[Du, ChangbinX]

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@xxxxxxxxx>
---
 tools/usb/testusb.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/usb/testusb.c b/tools/usb/testusb.c
index 6e0f567..0aac3ff 100644
--- a/tools/usb/testusb.c
+++ b/tools/usb/testusb.c
@@ -358,9 +358,11 @@ static const char *usbfs_dir_find(void)
 {
 	static char usbfs_path_0[] = "/dev/usb/devices";
 	static char usbfs_path_1[] = "/proc/bus/usb/devices";
+	/* real device-nodes managed by udev */
+	static char udev_usb_path[] = "/dev/bus/usb/";
 
 	static char *const usbfs_paths[] = {
-		usbfs_path_0, usbfs_path_1
+		usbfs_path_0, usbfs_path_1, udev_usb_path,
 	};
 
 	static char *const *
-- 
1.7.9.5

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