tools/usb: remove last USBFS user

In commit fb28d58b ("USB: remove CONFIG_USB_DEVICEFS") USBFS got
removed. Since it is gone we can stop using it in testusb and try udev
nodes right away.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/tools/usb/testusb.c b/tools/usb/testusb.c
index b0adb27..68d0734 100644 (file)
--- a/tools/usb/testusb.c
+++ b/tools/usb/testusb.c
@@ -253,9 +253,6 @@ static int find_testdev(const char *name, const struct stat *sb, int flag)
 
        if (flag != FTW_F)
                return 0;
-       /* ignore /proc/bus/usb/{devices,drivers} */
-       if (strrchr(name, '/')[1] == 'd')
-               return 0;
 
        fd = fopen(name, "rb");
        if (!fd) {
@@ -356,28 +353,8 @@ restart:
 
 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
-       };
-
-       static char *const *
-               end = usbfs_paths + sizeof usbfs_paths / sizeof *usbfs_paths;
-
-       char *const *it = usbfs_paths;
-       do {
-               int fd = open(*it, O_RDONLY);
-               close(fd);
-               if (fd >= 0) {
-                       strrchr(*it, '/')[0] = '\0';
-                       return *it;
-               }
-       } while (++it != end);
-
-       /* real device-nodes managed by udev */
        if (access(udev_usb_path, F_OK) == 0)
                return udev_usb_path;
 
@@ -489,7 +466,7 @@ usage:
                goto usage;
        if (!all && !device) {
                fprintf (stderr, "must specify '-a' or '-D dev', "
-                       "or DEVICE=/proc/bus/usb/BBB/DDD in env\n");
+                       "or DEVICE=/dev/bus/usb/BBB/DDD in env\n");
                goto usage;
        }