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dmaengine: mediatek: Fix a flag reuse error in mtk_cqdma_tx_status()

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[ Upstream commit 8eba2187391e5ab49940cd02d6bd45a5617f4daf ]

Fixed a flag reuse bug in the mtk_cqdma_tx_status() function.

Fixes: 157ae5ffd76a ("dmaengine: mediatek: Fix a possible deadlock error in mtk_cqdma_tx_status()")
Cc: [email protected]
Reported-by: kernel test robot <[email protected]>
Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/
Signed-off-by: Qiu-ji Chen <[email protected]>
Reviewed-by: Eugen Hristev <[email protected]>
Reviewed-by: AngeloGioacchino Del Regno <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
This commit is contained in:
Qiu-ji Chen 2025-06-06 17:00:17 +08:00 • committed by Greg Kroah-Hartman
commit 7d92591af8
1 changed files with 2 additions and 2 deletions
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4
drivers/dma/mediatek/mtk-cqdma.c
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@ -450,9 +450,9 @@ static enum dma_status mtk_cqdma_tx_status(struct dma_chan *c,
return ret;
spin_lock_irqsave(&cvc->pc->lock, flags);
spin_lock_irqsave(&cvc->vc.lock, flags);
spin_lock(&cvc->vc.lock);
vd = mtk_cqdma_find_active_desc(c, cookie);
spin_unlock_irqrestore(&cvc->vc.lock, flags);
spin_unlock(&cvc->vc.lock);
spin_unlock_irqrestore(&cvc->pc->lock, flags);
if (vd) {