Do not segfault when no device is present

Fixes #1

Signed-off-by: Andrew 'Necromant' Andrianov <andrew@ncrmnt.org>

diff --git a/main.c b/main.c
index f6b1643..f24e40f 100644 (file)
--- a/main.c
+++ b/main.c
@@ -159,8 +159,8 @@ void check_handle(usb_dev_handle **h)
 
        /* TODO: Make a proper way to select different PL2303 devices. */
        *h = nc_usb_open(I_VENDOR_NUM, I_PRODUCT_NUM, NULL, NULL, NULL);
 
        /* TODO: Make a proper way to select different PL2303 devices. */
        *h = nc_usb_open(I_VENDOR_NUM, I_PRODUCT_NUM, NULL, NULL, NULL);

-       if (!h) {
-               fprintf(stderr, "No PL2303 USB device found ;(\n");
+       if (!(*h)) {
+               fprintf(stderr, "No PL2303 USB device %04x:%04x found ;(\n", I_VENDOR_NUM, I_PRODUCT_NUM);

                exit(1);
        }
 
                exit(1);
        }
 


@@ -231,9 +231,5 @@ int main(int argc, char* argv[])
 
                }
        }
 
                }
        }

-

        return 0;
        return 0;

-
-       //GP0 == LDR
-       //GP1 == RST

 }
 }