diff mbox series

wifi: rtw89: debug: fix error code in rtw89_debug_priv_btc_manual_set

Message ID tencent_D22D1FB0000F210538D44A09AA9BB6DAB407@qq.com (mailing list archive)
State Changes Requested
Delegated to: Kalle Valo
Headers show
Series wifi: rtw89: debug: fix error code in rtw89_debug_priv_btc_manual_set | expand

Commit Message

Zhang Shurong July 9, 2023, 9:59 a.m. UTC
If there is a failure during kstrtobool_from_user()
rtw89_debug_priv_btc_manual_set should return negative error code
instead of a positive value count. Fix this bug by returning
correct error code.

Fixes: e3ec7017f6a2 ("rtw89: add Realtek 802.11ax driver")

Signed-off-by: Zhang Shurong <zhang_shurong@foxmail.com>
---
 drivers/net/wireless/realtek/rtw89/debug.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

Comments

Jakub Kicinski July 13, 2023, 1:06 a.m. UTC | #1
On Sun,  9 Jul 2023 17:59:06 +0800 Zhang Shurong wrote:
> Fixes: e3ec7017f6a2 ("rtw89: add Realtek 802.11ax driver")
> 
> Signed-off-by: Zhang Shurong <zhang_shurong@foxmail.com>

No empty lines between the tags, please.
diff mbox series

Patch

diff --git a/drivers/net/wireless/realtek/rtw89/debug.c b/drivers/net/wireless/realtek/rtw89/debug.c
index 1db2d59d33ff..35fe6b4ad9b3 100644
--- a/drivers/net/wireless/realtek/rtw89/debug.c
+++ b/drivers/net/wireless/realtek/rtw89/debug.c
@@ -3192,9 +3192,13 @@  static ssize_t rtw89_debug_priv_btc_manual_set(struct file *filp,
 	struct rtw89_dev *rtwdev = debugfs_priv->rtwdev;
 	struct rtw89_btc *btc = &rtwdev->btc;
 	bool btc_manual;
+	int ret;
 
-	if (kstrtobool_from_user(user_buf, count, &btc_manual))
+	ret = kstrtobool_from_user(user_buf, count, &btc_manual);
+	if (ret) {
+		count = ret;
 		goto out;
+	}
 
 	btc->ctrl.manual = btc_manual;
 out: