usb_id: add <devpath> to help text

diff --git a/extras/usb_id/usb_id.c b/extras/usb_id/usb_id.c
index 50918f060b4839abd96176df5754fa047cfaf15e..d36a27b3ccbb5aafb9fb839323f6f974ab01294a 100644 (file)
--- a/extras/usb_id/usb_id.c
+++ b/extras/usb_id/usb_id.c
@@ -368,10 +368,6 @@ int main(int argc, char **argv)
        const char *env;
        char devpath[MAX_PATH_LEN];
        static int export;
-
-       logging_init("usb_id");
-       sysfs_init();
-
        static const struct option options[] = {
                { "usb-info", 0, NULL, 'u' },
                { "num-info", 0, NULL, 'n' },
@@ -380,6 +376,9 @@ int main(int argc, char **argv)
                {}
        };
 
+       logging_init("usb_id");
+       sysfs_init();
+
        while (1) {
                int option;
 
@@ -399,7 +398,7 @@ int main(int argc, char **argv)
                        export = 1;
                        break;
                case 'h':
-                       printf("Usage: usb_id [--usb-info] [--num-info] [--export] [--help]\n"
+                       printf("Usage: usb_id [--usb-info] [--num-info] [--export] [--help] <devpath>\n"
                               "  --usb-info  use usb strings instead\n"
                               "  --num-info  use numerical values\n"
                               "  --export    print values as environemt keys\n"