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| author | Qiu-ji Chen <chenqiuji666@gmail.com> | 2025-06-06 17:00:17 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-09-09 18:54:24 +0200 |
| commit | 0b24137cafd7f950a8c40c61d91fbb6dc49d48ec (patch) | |
| tree | 316793d48e9abb88032a25d28a356e386e128681 /drivers/dma | |
| parent | 994b03b9605d36d814c611385fbf90ca6db20aa8 (diff) | |
| download | linux-0b24137cafd7f950a8c40c61d91fbb6dc49d48ec.tar.gz linux-0b24137cafd7f950a8c40c61d91fbb6dc49d48ec.tar.bz2 linux-0b24137cafd7f950a8c40c61d91fbb6dc49d48ec.zip | |
dmaengine: mediatek: Fix a flag reuse error in mtk_cqdma_tx_status()
[ 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: stable@vger.kernel.org
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202505270641.MStzJUfU-lkp@intel.com/
Signed-off-by: Qiu-ji Chen <chenqiuji666@gmail.com>
Reviewed-by: Eugen Hristev <eugen.hristev@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20250606090017.5436-1-chenqiuji666@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/mediatek/mtk-cqdma.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/dma/mediatek/mtk-cqdma.c b/drivers/dma/mediatek/mtk-cqdma.c index be0c5db57d9d..661521064c34 100644 --- a/drivers/dma/mediatek/mtk-cqdma.c +++ b/drivers/dma/mediatek/mtk-cqdma.c @@ -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) { |