Fixed segmentation fault in ykcore_libusb.c

diff --git a/ykcore/ykcore_libusb.c b/ykcore/ykcore_libusb.c
index 279db573809bedd4245bd0a475e7ce1507731334..e98e8d82fcd0a578e7db86891e9735b6448ff132 100644 (file)
--- a/ykcore/ykcore_libusb.c
+++ b/ykcore/ykcore_libusb.c
@@ -151,7 +151,7 @@ extern int _ykusb_stop(void)
 void *_ykusb_open_device(int vendor_id, int *product_ids, size_t pids_len)
 {
        struct usb_bus *bus;
-       struct usb_device *dev;
+       struct usb_device *dev, *yk_device;
        struct usb_dev_handle *h = NULL;
        int rc = YK_EUSBERR;
        int found = 0;
@@ -164,6 +164,7 @@ void *_ykusb_open_device(int vendor_id, int *product_ids, size_t pids_len)
                                for (j = 0; j < pids_len; j++) {
                                        if (dev->descriptor.idProduct == product_ids[j]) {
                                                if(found == 0) {
+                                                       yk_device = dev;
                                                        found = 1;
                                                        break;
                                                } else {
@@ -177,7 +178,7 @@ void *_ykusb_open_device(int vendor_id, int *product_ids, size_t pids_len)
        }
        if(found == 1) {
                rc = YK_EUSBERR;
-               h = usb_open(dev);
+               h = usb_open(yk_device);
 #ifdef LIBUSB_HAS_DETACH_KERNEL_DRIVER_NP
                if (h != NULL)
                        usb_detach_kernel_driver_np(h, 0);