dslogic: Fix FPGA bitstream upload.

diff --git a/src/hardware/fx2lafw/dslogic.c b/src/hardware/fx2lafw/dslogic.c
index 6a8af1306b6b0151547865b465dfbb27d1b9b904..14b5decf2473859d5ef0cc5a44734abf33d77879 100644 (file)
--- a/src/hardware/fx2lafw/dslogic.c
+++ b/src/hardware/fx2lafw/dslogic.c
@@ -43,6 +43,7 @@ int dslogic_fpga_firmware_upload(const struct sr_dev_inst *sdi,
        int chunksize, result, ret;
        unsigned char *buf;
        int sum, transferred;
+       uint8_t cmd[3];
 
        sr_dbg("Uploading FPGA firmware at %s.", filename);
 
@@ -53,9 +54,10 @@ int dslogic_fpga_firmware_upload(const struct sr_dev_inst *sdi,
        }
 
        /* Tell the device firmware is coming. */
+       memset(cmd, 0, sizeof(cmd));
        if ((ret = libusb_control_transfer(usb->devhdl, LIBUSB_REQUEST_TYPE_VENDOR |
                        LIBUSB_ENDPOINT_OUT, DS_CMD_FPGA_FW, 0x0000, 0x0000,
-                       NULL, 0, USB_TIMEOUT)) < 0) {
+                       (unsigned char *)&cmd, sizeof(cmd), USB_TIMEOUT)) < 0) {
                sr_err("Failed to upload FPGA firmware: %s.", libusb_error_name(ret));
                return SR_ERR;
        }