dmaengine: k3dma: Off by one in k3_of_dma_simple_xlate()
[ Upstream commitpull/10/headc4c2b7644c
] The d->chans[] array has d->dma_requests elements so the > should be >= here. Fixes:8e6152bc66
("dmaengine: Add hisilicon k3 DMA engine driver") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Vinod Koul <vkoul@kernel.org> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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4cea08638e
commit
bb2b7243e3
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@ -787,7 +787,7 @@ static struct dma_chan *k3_of_dma_simple_xlate(struct of_phandle_args *dma_spec,
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struct k3_dma_dev *d = ofdma->of_dma_data;
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unsigned int request = dma_spec->args[0];
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if (request > d->dma_requests)
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if (request >= d->dma_requests)
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return NULL;
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return dma_get_slave_channel(&(d->chans[request].vc.chan));
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