ath9k: cleanup a min_t() cast

If the firmware was over 2G, it would cause memory corruption and the
system would die here.  Obviously we all know the firmware isn't going
to be that large but static checkers get upset.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c
index f317515d8bf374e4b56348af1cf16b98cd3accae..424aabb2c7302db2bc74d4ca52256ae61fcac222 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/hif_usb.c
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.c
@@ -981,7 +981,7 @@ static int ath9k_hif_usb_download_fw(struct hif_device_usb *hif_dev)
                return -ENOMEM;
 
        while (len) {
-               transfer = min_t(int, len, 4096);
+               transfer = min_t(size_t, len, 4096);
                memcpy(buf, data, transfer);
 
                err = usb_control_msg(hif_dev->udev,