linux-kernel - [PATCH 1/2] staging: r8188eu: fix memory leak in rtw_set

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Message-Id: <ee783fbb71abb549505b84542223be7a7c905eea.1630692375.git.paskripkin@gmail.com>
Date:   Fri,  3 Sep 2021 21:17:52 +0300
From:   Pavel Skripkin <paskripkin@...il.com>
To:     Larry.Finger@...inger.net, phil@...lpotter.co.uk,
        gregkh@...uxfoundation.org, straube.linux@...il.com,
        fmdefrancesco@...il.com
Cc:     linux-kernel@...r.kernel.org, linux-staging@...ts.linux.dev,
        Pavel Skripkin <paskripkin@...il.com>
Subject: [PATCH 1/2] staging: r8188eu: fix memory leak in rtw_set_key

Before returning with an error we should free allocated buffers, since
they are not assigned to anywhere.

Fixes: 15865124feed ("staging: r8188eu: introduce new core dir for RTL8188eu driver")
Signed-off-by: Pavel Skripkin <paskripkin@...il.com>
---
 drivers/staging/r8188eu/core/rtw_mlme.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/staging/r8188eu/core/rtw_mlme.c b/drivers/staging/r8188eu/core/rtw_mlme.c
index 1115ff5d865a..bd991d7ed809 100644
--- a/drivers/staging/r8188eu/core/rtw_mlme.c
+++ b/drivers/staging/r8188eu/core/rtw_mlme.c
@@ -1722,6 +1722,8 @@ int rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, in
 		psetkeyparm->grpkey = 1;
 		break;
 	default:
+		kfree(psetkeyparm);
+		kfree(pcmd);
 		res = _FAIL;
 		goto exit;
 	}
-- 
2.33.0