wireless: mwifiex: remove unreachable paths

We know 'firmware' is non-NULL from the beginning of mwifiex_prog_fw_w_helper,
remove all !firmware paths from the rest of the function.
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/mwifiex/usb.c

@@ -786,21 +786,6 @@ static int mwifiex_register_dev(struct mwifiex_adapter *adapter)
 	return 0;
 }
 
-/* This function reads one block of firmware data. */
-static int mwifiex_get_fw_data(struct mwifiex_adapter *adapter,
-			       u32 offset, u32 len, u8 *buf)
-{
-	if (!buf || !len)
-		return -1;
-
-	if (offset + len > adapter->firmware->size)
-		return -1;
-
-	memcpy(buf, adapter->firmware->data + offset, len);
-
-	return 0;
-}
-
 static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter,
 				    struct mwifiex_fw_image *fw)
 {
@@ -836,23 +821,14 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter,
 			dlen = 0;
 		} else {
 			/* copy the header of the fw_data to get the length */
-			if (firmware)
 			memcpy(&fwdata->fw_hdr, &firmware[tlen],
 			       sizeof(struct fw_header));
-			else
-				mwifiex_get_fw_data(adapter, tlen,
-						    sizeof(struct fw_header),
-						    (u8 *)&fwdata->fw_hdr);
 
 			dlen = le32_to_cpu(fwdata->fw_hdr.data_len);
 			dnld_cmd = le32_to_cpu(fwdata->fw_hdr.dnld_cmd);
 			tlen += sizeof(struct fw_header);
 
-			if (firmware)
 			memcpy(fwdata->data, &firmware[tlen], dlen);
-			else
-				mwifiex_get_fw_data(adapter, tlen, dlen,
-						    (u8 *)fwdata->data);
 
 			fwdata->seq_num = cpu_to_le32(fw_seqnum);
 			tlen += dlen;