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 | 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
@@ -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 +377,11 @@ 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;
+ }
+
return NULL;
}
--
1.7.9.5
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