linux-kernel - [PATCH v1] drivers: fix the parameter bin reference preceded by free

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Message-Id: <20230601072322.486-1-duminjie@vivo.com>
Date:   Thu,  1 Jun 2023 15:23:22 +0800
From:   Minjie Du <duminjie@...o.com>
To:     pkshih@...ltek.com, kvalo@...nel.org
Cc:     linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org,
        Minjie Du <duminjie@...o.com>
Subject: [PATCH v1] drivers: fix the parameter bin reference preceded by free

We assign the variable bin to NULL,
fix variable bin reference preceded by free.

Signed-off-by: Minjie Du <duminjie@...o.com>
---
 drivers/net/wireless/realtek/rtw89/debug.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/realtek/rtw89/debug.c b/drivers/net/wireless/realtek/rtw89/debug.c
index 6f418f14ec3f..4541b4d48e69 100644
--- a/drivers/net/wireless/realtek/rtw89/debug.c
+++ b/drivers/net/wireless/realtek/rtw89/debug.c
@@ -2982,6 +2982,7 @@ static u8 *rtw89_hex2bin_user(struct rtw89_dev *rtwdev,
        if (hex2bin(bin, buf, num)) {
                rtw89_info(rtwdev, "valid format: H1H2H3...\n");
                kfree(bin);
+               bin = NULL;
                err = -EINVAL;
        }

--
2.25.1

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