rsi: remove redundant flash_content variable

while cleaning up the driver, observed that flash_content pointer is not
necessary in rsi_load_firmware(). Instead of this, driver can use
'fw_entry->data' directly.Hence, removed redundant flash_content pointer.
Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/rsi/rsi_91x_hal.c

@@ -842,7 +842,6 @@ static int rsi_load_firmware(struct rsi_hw *adapter)
 	const struct firmware *fw_entry = NULL;
 	u32 regout_val = 0, content_size;
 	u16 tmp_regout_val = 0;
-	u8 *flash_content = NULL;
 	struct ta_metadata *metadata_p;
 	int status;
 
@@ -904,28 +903,22 @@ static int rsi_load_firmware(struct rsi_hw *adapter)
 			__func__, metadata_p->name);
 		return status;
 	}
-	flash_content = kmemdup(fw_entry->data, fw_entry->size, GFP_KERNEL);
-	if (!flash_content) {
-		rsi_dbg(ERR_ZONE, "%s: Failed to copy firmware\n", __func__);
-		status = -EIO;
-		goto fail;
-	}
 	content_size = fw_entry->size;
 	rsi_dbg(INFO_ZONE, "FW Length = %d bytes\n", content_size);
 
 	/* Get the firmware version */
 	common->lmac_ver.ver.info.fw_ver[0] =
-		flash_content[LMAC_VER_OFFSET] & 0xFF;
+		fw_entry->data[LMAC_VER_OFFSET] & 0xFF;
 	common->lmac_ver.ver.info.fw_ver[1] =
-		flash_content[LMAC_VER_OFFSET + 1] & 0xFF;
-	common->lmac_ver.major = flash_content[LMAC_VER_OFFSET + 2] & 0xFF;
+		fw_entry->data[LMAC_VER_OFFSET + 1] & 0xFF;
+	common->lmac_ver.major = fw_entry->data[LMAC_VER_OFFSET + 2] & 0xFF;
 	common->lmac_ver.release_num =
-		flash_content[LMAC_VER_OFFSET + 3] & 0xFF;
-	common->lmac_ver.minor = flash_content[LMAC_VER_OFFSET + 4] & 0xFF;
+		fw_entry->data[LMAC_VER_OFFSET + 3] & 0xFF;
+	common->lmac_ver.minor = fw_entry->data[LMAC_VER_OFFSET + 4] & 0xFF;
 	common->lmac_ver.patch_num = 0;
 	rsi_print_version(common);
 
-	status = bl_write_header(adapter, flash_content, content_size);
+	status = bl_write_header(adapter, (u8 *)fw_entry->data, content_size);
 	if (status) {
 		rsi_dbg(ERR_ZONE,
 			"%s: RPS Image header loading failed\n",
@@ -967,7 +960,7 @@ static int rsi_load_firmware(struct rsi_hw *adapter)
 
 	rsi_dbg(INFO_ZONE, "Burn Command Pass.. Upgrading the firmware\n");
 
-	status = auto_fw_upgrade(adapter, flash_content, content_size);
+	status = auto_fw_upgrade(adapter, (u8 *)fw_entry->data, content_size);
 	if (status == 0) {
 		rsi_dbg(ERR_ZONE, "Firmware upgradation Done\n");
 		goto load_image_cmd;
@@ -981,13 +974,11 @@ static int rsi_load_firmware(struct rsi_hw *adapter)
 
 success:
 	rsi_dbg(ERR_ZONE, "***** Firmware Loading successful *****\n");
-	kfree(flash_content);
 	release_firmware(fw_entry);
 	return 0;
 
 fail:
 	rsi_dbg(ERR_ZONE, "##### Firmware loading failed #####\n");
-	kfree(flash_content);
 	release_firmware(fw_entry);
 	return status;
 }