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Message-Id: <20240826100618.2605161-1-make24@iscas.ac.cn>
Date: Mon, 26 Aug 2024 18:06:18 +0800
From: Ma Ke <make24@...as.ac.cn>
To: nbd@....name,
lorenzo@...nel.org,
ryder.lee@...iatek.com,
shayne.chen@...iatek.com,
sean.wang@...iatek.com,
kvalo@...nel.org,
matthias.bgg@...il.com,
angelogioacchino.delregno@...labora.com,
allen.ye@...iatek.com,
johannes.berg@...el.com,
chui-hao.chiu@...iatek.com,
ruanjinjie@...wei.com,
make24@...as.ac.cn,
howard-yh.hsu@...iatek.com,
greearb@...delatech.com
Cc: linux-wireless@...r.kernel.org,
linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org,
stable@...r.kernel.org
Subject: [PATCH] mt76: mt7915: check devm_kasprintf() returned value
devm_kasprintf() can return a NULL pointer on failure but this returned
value is not checked. Fix this lack and check the returned value.
Found by code review.
Cc: stable@...r.kernel.org
Fixes: 6ae39b7c7ed4 ("wifi: mt76: mt7921: Support temp sensor")
Signed-off-by: Ma Ke <make24@...as.ac.cn>
---
drivers/net/wireless/mediatek/mt76/mt7915/init.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
index a978f434dc5e..7bc3b4cd3592 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
@@ -194,6 +194,8 @@ static int mt7915_thermal_init(struct mt7915_phy *phy)
name = devm_kasprintf(&wiphy->dev, GFP_KERNEL, "mt7915_%s",
wiphy_name(wiphy));
+ if (!name)
+ return -ENOMEM;
cdev = thermal_cooling_device_register(name, phy, &mt7915_thermal_ops);
if (!IS_ERR(cdev)) {
--
2.25.1
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