This is a note to let you know that I've just added the patch titled
wifi: mt76: mt7996: fix uninitialized variable in mt7996_irq_tasklet()
to the 6.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
wifi-mt76-mt7996-fix-uninitialized-variable-in-mt799.patch
and it can be found in the queue-6.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 7dd85c99f09d36e33d78219ccffdc74c1e30cae4
Author: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
Date: Tue Mar 19 13:05:36 2024 +0100
wifi: mt76: mt7996: fix uninitialized variable in mt7996_irq_tasklet()
[ 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@xxxxxxxxxx>
Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c
index 304e5fd148034..928a9663b49e0 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);
