staging: rtl8188eu: unnecessary variable override removed

Variable value calculated in the previous loop.
Signed-off-by: Ivan Safonov <insafonov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/hal/fw.c

@@ -73,11 +73,9 @@ static void _rtl88e_fw_block_write(struct adapter *adapt,
 	}
 
 	if (remain) {
-		offset = blk_cnt * blk_sz;
 		buf_ptr += blk_cnt * blk_sz;
 		for (i = 0; i < remain; i++) {
-			usb_write8(adapt, (FW_8192C_START_ADDRESS +
-						 offset + i), buf_ptr[i]);
+			usb_write8(adapt, offset + i, buf_ptr[i]);
 		}
 	}
 }