Linux wireless drivers development
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From: Minjie Du <duminjie@vivo.com>
To: Felix Fietkau <nbd@nbd.name>,
	Lorenzo Bianconi <lorenzo@kernel.org>,
	Ryder Lee <ryder.lee@mediatek.com>,
	Shayne Chen <shayne.chen@mediatek.com>,
	Sean Wang <sean.wang@mediatek.com>, Kalle Valo <kvalo@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	AngeloGioacchino Del Regno 
	<angelogioacchino.delregno@collabora.com>,
	linux-wireless@vger.kernel.org (open list:MEDIATEK MT76 WIRELESS
	LAN DRIVER),
	linux-kernel@vger.kernel.org (open list:ARM/Mediatek SoC support),
	linux-arm-kernel@lists.infradead.org (moderated
	list:ARM/Mediatek SoC support),
	linux-mediatek@lists.infradead.org (moderated list:ARM/Mediatek
	SoC support)
Cc: opensource.kernel@vivo.com, Minjie Du <duminjie@vivo.com>
Subject: [PATCH v1] drivers: wireless: mt76: fix parameter check in mt76_register_debugfs_fops()
Date: Wed, 12 Jul 2023 21:00:05 +0800	[thread overview]
Message-ID: <20230712130005.15809-1-duminjie@vivo.com> (raw)

Make IS_ERR() judge the debugfs_create_dir() function return
in mt76_register_debugfs_fops().

Signed-off-by: Minjie Du <duminjie@vivo.com>
---
 drivers/net/wireless/mediatek/mt76/debugfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/debugfs.c b/drivers/net/wireless/mediatek/mt76/debugfs.c
index 57fbcc83e..d9ba70013 100644
--- a/drivers/net/wireless/mediatek/mt76/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/debugfs.c
@@ -109,7 +109,7 @@ mt76_register_debugfs_fops(struct mt76_phy *phy,
 	struct dentry *dir;
 
 	dir = debugfs_create_dir("mt76", phy->hw->wiphy->debugfsdir);
-	if (!dir)
+	if (IS_ERR(dir))
 		return NULL;
 
 	debugfs_create_u8("led_pin", 0600, dir, &phy->leds.pin);
-- 
2.39.0


             reply	other threads:[~2023-07-12 13:00 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-12 13:00 Minjie Du [this message]
2023-07-12 14:00 ` [PATCH v1] drivers: wireless: mt76: fix parameter check in mt76_register_debugfs_fops() Nicolas Escande

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