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wifi: mt76: mt7915: fix unintended sign extension of mt7915_hw_queue_read()

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In the expression "map[i].qid << 24" starts as u8, but is promoted to
"signed int", then sign-extended to type "unsigned long", which is not
intended. Cast to u32 to avoid the sign extension.

Fixes: 776ec4e77a ("mt76: mt7915: rework debugfs queue info")
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Ryder Lee
2022-12-07 15:30:05 +08:00
committed by Felix Fietkau
parent 063cca0252
commit edb0406bda
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
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@@ -811,7 +811,7 @@ mt7915_hw_queue_read(struct seq_file *s, u32 size,
if (val & BIT(map[i].index))
continue;
ctrl = BIT(31) | (map[i].pid << 10) | (map[i].qid << 24);
ctrl = BIT(31) | (map[i].pid << 10) | ((u32)map[i].qid << 24);
mt76_wr(dev, MT_FL_Q0_CTRL, ctrl);
head = mt76_get_field(dev, MT_FL_Q2_CTRL,