fastboot: move help command before usb connect

Move the help command handling before the call to open_device
so that is doesn't block when no device is connected.

Bug: 7078873
Change-Id: I4e9a4317bd72b4ceb4b9fc838eafd2e57b17a473

1 files changed, 5 insertions, 3 deletions

diff --git a/fastboot/fastboot.c b/fastboot/fastboot.c
index 898d452..06a6a13 100644
--- a/fastboot/fastboot.c
+++ b/fastboot/fastboot.c
@@ -850,6 +850,11 @@ int main(int argc, char **argv)
         return 0;
     }
 
+    if (argc > 0 && !strcmp(*argv, "help")) {
+        usage();
+        return 0;
+    }
+
     usb = open_device();
 
     while (argc > 0) {
@@ -940,9 +945,6 @@ int main(int argc, char **argv)
             wants_reboot = 1;
         } else if(!strcmp(*argv, "oem")) {
             argc = do_oem_command(argc, argv);
-        } else if (!strcmp(*argv, "help")) {
-            usage();
-            return 0;
         } else {
             usage();
             return 1;