6.8-stable review patch. If anyone has any objections, please let me know.
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From: Lorenzo Bianconi lorenzo@kernel.org
[ Upstream commit 1ac710a6e8545c6df7a292f167dd088880a74c05 ]
Set intr1 to 0 in mt7996_irq_tasklet() in order to avoid possible uninitialized variable usage if wed is not active for hif2.
Fixes: 83eafc9251d6 ("wifi: mt76: mt7996: add wed tx support") Signed-off-by: Lorenzo Bianconi lorenzo@kernel.org Signed-off-by: Felix Fietkau nbd@nbd.name Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/mediatek/mt76/mt7996/mmio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c index efd4a767eb37d..c93f82548beeb 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c @@ -519,7 +519,7 @@ static void mt7996_irq_tasklet(struct tasklet_struct *t) struct mt7996_dev *dev = from_tasklet(dev, t, mt76.irq_tasklet); struct mtk_wed_device *wed = &dev->mt76.mmio.wed; struct mtk_wed_device *wed_hif2 = &dev->mt76.mmio.wed_hif2; - u32 i, intr, mask, intr1; + u32 i, intr, mask, intr1 = 0;
if (dev->hif2 && mtk_wed_device_active(wed_hif2)) { mtk_wed_device_irq_set_mask(wed_hif2, 0);