From: Ma Ke <make24@xxxxxxxxxxx> commit 5acdc432f832d810e0d638164c393b877291d9b4 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@xxxxxxxxxxxxxxx Fixes: 0bb4e9187ea4 ("mt76: mt7615: fix hwmon temp sensor mem use-after-free") Signed-off-by: Ma Ke <make24@xxxxxxxxxxx> Reviewed-by: Matthias Brugger <matthias.bgg@xxxxxxxxx> Link: https://patch.msgid.link/20240905014753.353271-1-make24@xxxxxxxxxxx Signed-off-by: Felix Fietkau <nbd@xxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/net/wireless/mediatek/mt76/mt7615/init.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c @@ -56,6 +56,9 @@ int mt7615_thermal_init(struct mt7615_de 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); if (IS_ERR(hwmon)) Patches currently in stable-queue which might be from make24@xxxxxxxxxxx are queue-5.15/drivers-media-dvb-frontends-rtl2830-fix-an-out-of-bo.patch queue-5.15/wifi-mt76-mt7615-check-devm_kasprintf-returned-value.patch queue-5.15/asoc-rt5682-return-devm_of_clk_add_hw_provider-to-transfer-the-error.patch queue-5.15/spi-ppc4xx-handle-irq_of_parse_and_map-errors.patch queue-5.15/drivers-media-dvb-frontends-rtl2832-fix-an-out-of-bo.patch