diff mbox series

[v2] wifi: rtw89: debug: fix error code in rtw89_debug_priv_btc_manual_set

Message ID tencent_7C09B91B925AF62D7CB0280F028563540807@qq.com (mailing list archive)
State Changes Requested
Delegated to: Kalle Valo
Headers show
Series [v2] wifi: rtw89: debug: fix error code in rtw89_debug_priv_btc_manual_set | expand

Commit Message

Zhang Shurong July 15, 2023, 6:44 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 returning the count driectly.

Fix this bug by returning the correct error code.

Fixes: e3ec7017f6a2 ("rtw89: add Realtek 802.11ax driver")
Signed-off-by: Zhang Shurong <zhang_shurong@foxmail.com>
---
Changes in v2:
- Corrected the format of this patch
- Used variable ret instead of goto out

 drivers/net/wireless/realtek/rtw89/debug.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

Comments

Zhang Shurong July 15, 2023, 9:56 a.m. UTC | #1
在 2023年7月15日星期六 CST 下午5:22:08,Markus Elfring 写道:
> > If there is a failure during kstrtobool_from_user()
> > rtw89_debug_priv_btc_manual_set should return negative error code
> > instead of returning the count driectly.
> > 
> > Fix this bug by returning the correct error code.
> 
> How do you think about to use an other wording approach
> (like the following) for an improved change description?
> 
> 
>   Return an error code instead of a count after a failed call
>   of the function “kstrtobool_from_user”.
>   Omit the label “out” with this source code correction.
> 
> 
> Regards,
> Markus
Thanks for your kindness reply and advice and I will change my description
in the next version.

Regards,
Shurong
diff mbox series

Patch

diff --git a/drivers/net/wireless/realtek/rtw89/debug.c b/drivers/net/wireless/realtek/rtw89/debug.c
index a4bbac916e22..ce5a9ac08145 100644
--- a/drivers/net/wireless/realtek/rtw89/debug.c
+++ b/drivers/net/wireless/realtek/rtw89/debug.c
@@ -3193,12 +3193,14 @@  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))
-		goto out;
+	ret = kstrtobool_from_user(user_buf, count, &btc_manual);
+	if (ret)
+		return ret;
 
 	btc->ctrl.manual = btc_manual;
-out:
+
 	return count;
 }