From: Austin Kim austin.kim@lge.com
stable inclusion from stable-v5.10.137 commit 37e1d474a3fb75eda4f0634e3b63c3b1d8b8a17e category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I60PLB
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit 94b4cd7c5fc0dd6858a046b00ca729fb0512b9ba ]
The second parameter of spinlock_irq[save/restore] function is flags, which is the last input parameter of sf_pdma_prep_dma_memcpy().
So declare local variable 'iflags' to be used as the second parameter of spinlock_irq[save/restore] function.
Signed-off-by: Austin Kim austin.kim@lge.com Link: https://lore.kernel.org/r/20210611065336.GA1121@raspberrypi Signed-off-by: Vinod Koul vkoul@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Reviewed-by: Wei Li liwei391@huawei.com --- drivers/dma/sf-pdma/sf-pdma.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/dma/sf-pdma/sf-pdma.c b/drivers/dma/sf-pdma/sf-pdma.c index 528deb5d9f31..1cd2d7df9715 100644 --- a/drivers/dma/sf-pdma/sf-pdma.c +++ b/drivers/dma/sf-pdma/sf-pdma.c @@ -94,6 +94,7 @@ sf_pdma_prep_dma_memcpy(struct dma_chan *dchan, dma_addr_t dest, dma_addr_t src, { struct sf_pdma_chan *chan = to_sf_pdma_chan(dchan); struct sf_pdma_desc *desc; + unsigned long iflags;
if (chan && (!len || !dest || !src)) { dev_err(chan->pdma->dma_dev.dev, @@ -109,10 +110,10 @@ sf_pdma_prep_dma_memcpy(struct dma_chan *dchan, dma_addr_t dest, dma_addr_t src, desc->dirn = DMA_MEM_TO_MEM; desc->async_tx = vchan_tx_prep(&chan->vchan, &desc->vdesc, flags);
- spin_lock_irqsave(&chan->vchan.lock, flags); + spin_lock_irqsave(&chan->vchan.lock, iflags); chan->desc = desc; sf_pdma_fill_desc(desc, dest, src, len); - spin_unlock_irqrestore(&chan->vchan.lock, flags); + spin_unlock_irqrestore(&chan->vchan.lock, iflags);
return desc->async_tx; }