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wifi: mt76: mt7921: Check devm_kasprintf() returned value

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commit 1ccc9e476c upstream.

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@vger.kernel.org
Fixes: 6ae39b7c7e ("wifi: mt76: mt7921: Support temp sensor")
Signed-off-by: Ma Ke <make24@iscas.ac.cn>
Reviwed-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://patch.msgid.link/20240903014455.4144536-1-make24@iscas.ac.cn
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ma Ke 2024-09-03 09:44:55 +08:00 committed by Greg Kroah-Hartman
parent cb0125ec3d
commit 0a74a9b148
1 changed files with 2 additions and 0 deletions
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2
drivers/net/wireless/mediatek/mt76/mt7921/init.c
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@ -52,6 +52,8 @@ static int mt7921_thermal_init(struct mt792x_phy *phy)
name = devm_kasprintf(&wiphy->dev, GFP_KERNEL, "mt7921_%s",
wiphy_name(wiphy));
if (!name)
return -ENOMEM;
hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev, name, phy,
mt7921_hwmon_groups);