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28 lines
1.0 KiB
Diff
28 lines
1.0 KiB
Diff
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From b96ab5e62010887a8abee43dbcccf6f4b3fcb269 Mon Sep 17 00:00:00 2001
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From: Lorenzo Bianconi <lorenzo@kernel.org>
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Date: Tue, 19 Mar 2024 13:05:36 +0100
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Subject: [PATCH] wifi: mt76: mt7996: fix uninitialized variable in
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mt7996_irq_tasklet()
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Set intr1 to 0 in mt7996_irq_tasklet() in order to avoid possible
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uninitialized variable usage if wed is not active for hif2.
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Fixes: 83eafc9251d6 ("wifi: mt76: mt7996: add wed tx support")
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Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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mt7996/mmio.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/mt7996/mmio.c
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+++ b/mt7996/mmio.c
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@@ -499,7 +499,7 @@ static void mt7996_irq_tasklet(struct ta
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struct mt7996_dev *dev = from_tasklet(dev, t, mt76.irq_tasklet);
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struct mtk_wed_device *wed = &dev->mt76.mmio.wed;
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struct mtk_wed_device *wed_hif2 = &dev->mt76.mmio.wed_hif2;
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- u32 i, intr, mask, intr1;
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+ u32 i, intr, mask, intr1 = 0;
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if (dev->hif2 && mtk_wed_device_active(wed_hif2)) {
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mtk_wed_device_irq_set_mask(wed_hif2, 0);
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