linux-kernel - [PATCH] staging: rtl8723bs: Fix a resource leak in sd_int

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Date:   Mon, 28 Jun 2021 23:22:39 +0800
From:   Xiangyang Zhang <xyz.sun.ok@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     hdegoede@...hat.com, Larry.Finger@...inger.net,
        fabioaiuto83@...il.com, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org, xyz.sun.ok@...il.com
Subject: [PATCH] staging: rtl8723bs: Fix a resource leak in sd_int_dpc

The "c2h_evt" variable is not freed when function call
"c2h_evt_read_88xx" failed

Fixes: 554c0a3abf21 ("staging: Add rtl8723bs sdio wifi driver")
Signed-off-by: Xiangyang Zhang <xyz.sun.ok@...il.com>
---
 drivers/staging/rtl8723bs/hal/sdio_ops.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/staging/rtl8723bs/hal/sdio_ops.c b/drivers/staging/rtl8723bs/hal/sdio_ops.c
index 2dd251ce177e..a545832a468e 100644
--- a/drivers/staging/rtl8723bs/hal/sdio_ops.c
+++ b/drivers/staging/rtl8723bs/hal/sdio_ops.c
@@ -909,6 +909,8 @@ void sd_int_dpc(struct adapter *adapter)
 				} else {
 					rtw_c2h_wk_cmd(adapter, (u8 *)c2h_evt);
 				}
+			} else {
+				kfree(c2h_evt);
 			}
 		} else {
 			/* Error handling for malloc fail */
-- 
2.19.1