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wifi: mt76: mt7615: check devm_kasprintf() returned value

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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: [email protected]
Fixes: 0bb4e9187ea4 ("mt76: mt7615: fix hwmon temp sensor mem use-after-free")
Signed-off-by: Ma Ke <[email protected]>
Reviewed-by: Matthias Brugger <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Ma Ke
2024-09-06 11:05:39 +02:00
committed by Felix Fietkau
parent eeb51b5273
commit d4b3b302ce
1 changed files with 3 additions and 0 deletions
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mt7615/init.c
+3
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@@ -56,6 +56,9 @@ int mt7615_thermal_init(struct mt7615_dev *dev)
name = devm_kasprintf(&wiphy->dev, GFP_KERNEL, "mt7615_%s",
wiphy_name(wiphy));
if (!name)
return -ENOMEM;
hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev, name, dev,
mt7615_hwmon_groups);
return PTR_ERR_OR_ZERO(hwmon);