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From 2ffabf50bd0038acc0e92fe78915610a7fded182 Mon Sep 17 00:00:00 2001
From: Colin Ian King <colin.king@canonical.com>
Date: Wed, 23 Aug 2017 15:34:33 +0100
Subject: [PATCH] staging: r8822be: fix memory leak of eeprom_map on error exit return
Git-commit: 2ffabf50bd0038acc0e92fe78915610a7fded182
Patch-mainline: v4.14-rc1
References: FATE#326887

A memory leak of eeprom_map occurs if the call to halmac_eeprom_parser_88xx
fails. Fix this by kfree'ing it before returning.

Detected by CoverityScan, CID#1454569 ("Resource leak")
Fixes: 938a0447f094 ("staging: r8822be: Add code for halmac sub-driver")

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/staging/rtlwifi/halmac/halmac_88xx/halmac_api_88xx.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/rtlwifi/halmac/halmac_88xx/halmac_api_88xx.c b/drivers/staging/rtlwifi/halmac/halmac_88xx/halmac_api_88xx.c
index 0551c471ac43..f623ae55d1a1 100644
--- a/drivers/staging/rtlwifi/halmac/halmac_88xx/halmac_api_88xx.c
+++ b/drivers/staging/rtlwifi/halmac/halmac_88xx/halmac_api_88xx.c
@@ -1950,8 +1950,10 @@ halmac_dump_logical_efuse_map_88xx(struct halmac_adapter *halmac_adapter,
 
 		if (halmac_eeprom_parser_88xx(halmac_adapter,
 					      halmac_adapter->hal_efuse_map,
-					      eeprom_map) != HALMAC_RET_SUCCESS)
+					      eeprom_map) != HALMAC_RET_SUCCESS) {
+			kfree(eeprom_map);
 			return HALMAC_RET_EEPROM_PARSING_FAIL;
+		}
 
 		PLATFORM_EVENT_INDICATION(
 			driver_adapter, HALMAC_FEATURE_DUMP_LOGICAL_EFUSE,
-- 
2.19.1