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wifi: mt76: mt7915: fix memory leak in mt7915_mcu_exit

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[ Upstream commit 49bd78282e ]

Always purge mcu skb queues in mt7915_mcu_exit routine even if
mt7915_firmware_state fails.

Fixes: e57b790146 ("mt76: add mac80211 driver for MT7915 PCIe-based chipsets")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Lorenzo Bianconi
2023-01-01 12:42:04 +01:00
committed by Greg Kroah-Hartman
parent 32e1e8b25d
commit 4cbb876153
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
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@@ -2299,13 +2299,14 @@ void mt7915_mcu_exit(struct mt7915_dev *dev)
__mt76_mcu_restart(&dev->mt76);
if (mt7915_firmware_state(dev, false)) {
dev_err(dev->mt76.dev, "Failed to exit mcu\n");
return;
goto out;
}
mt76_wr(dev, MT_TOP_LPCR_HOST_BAND(0), MT_TOP_LPCR_HOST_FW_OWN);
if (dev->hif2)
mt76_wr(dev, MT_TOP_LPCR_HOST_BAND(1),
MT_TOP_LPCR_HOST_FW_OWN);
out:
skb_queue_purge(&dev->mt76.mcu.res_q);
}