linux-kernel - [PATCH v2] rtl8723bs: fix memory leak error

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Message-Id: <20220105123447.24674-1-asha.16@itfac.mrt.ac.lk>
Date:   Wed,  5 Jan 2022 18:04:47 +0530
From:   "F.A.Sulaiman" <asha.16@...ac.mrt.ac.lk>
To:     gregkh@...uxfoundation.org, fabioaiuto83@...il.com,
        marcocesati@...il.com, dan.carpenter@...cle.com,
        hdegoede@...hat.com
Cc:     "F.A.Sulaiman" <asha.16@...ac.mrt.ac.lk>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: [PATCH v2] rtl8723bs: fix memory leak error

Smatch reported memory leak bug in rtl8723b_FirmwareDownload function.
The problem is pFirmware memory is not released in 'release_fw1'.
Instead of redirecting to 'release_fw1', we can turn it into 'exit'
and free the memory.

Signed-off-by: F.A. SULAIMAN <asha.16@...ac.mrt.ac.lk>
---
 drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c b/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c
index f1fc077ed29c..5f09b3ef9459 100644
--- a/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c
+++ b/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c
@@ -361,7 +361,7 @@ s32 rtl8723b_FirmwareDownload(struct adapter *padapter, bool  bUsedWoWLANFw)
 		netdev_emerg(padapter->pnetdev,
 			     "Firmware size:%u exceed %u\n",
 			     pFirmware->fw_length, FW_8723B_SIZE);
-		goto release_fw1;
+		goto exit;
 	}
 
 	pFirmwareBuf = pFirmware->fw_buffer_sz;
-- 
2.17.1