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wifi: mt76: mt7996: Add NULL check in mt7996_thermal_init

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devm_kasprintf() can return a NULL pointer on failure,but this
returned value in mt7996_thermal_init() is not checked.
Add NULL check in mt7996_thermal_init(), to handle kernel NULL
pointer dereference error.

Fixes: 69d54ce7491d ("wifi: mt76: mt7996: switch to single multi-radio wiphy")
Signed-off-by: Charles Han <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Charles Han
2025-04-11 11:07:15 +02:00
committed by Felix Fietkau
parent 0433adc883
commit be28ef77e3
1 changed files with 3 additions and 0 deletions
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mt7996/init.c
+3
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@@ -217,6 +217,9 @@ static int mt7996_thermal_init(struct mt7996_phy *phy)
name = devm_kasprintf(&wiphy->dev, GFP_KERNEL, "mt7996_%s.%d",
wiphy_name(wiphy), phy->mt76->band_idx);
if (!name)
return -ENOMEM;
snprintf(cname, sizeof(cname), "cooling_device%d", phy->mt76->band_idx);
cdev = thermal_cooling_device_register(name, phy, &mt7996_thermal_ops);