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Commit c4c2b764 authored by Dan Carpenter's avatar Dan Carpenter Committed by Vinod Koul
Browse files

dmaengine: k3dma: Off by one in k3_of_dma_simple_xlate() 



The d->chans[] array has d->dma_requests elements so the > should be
>= here.

Fixes: 8e6152bc ("dmaengine: Add hisilicon k3 DMA engine driver")
Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent e3f329c6

drivers/dma/k3dma.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -794,7 +794,7 @@ static struct dma_chan *k3_of_dma_simple_xlate(struct of_phandle_args *dma_spec, 
	struct k3_dma_dev *d = ofdma->of_dma_data;

	struct k3_dma_dev *d = ofdma->of_dma_data;

	unsigned int request = dma_spec->args[0];

	unsigned int request = dma_spec->args[0];





	if (request > d->dma_requests)

	if (request >= d->dma_requests)

		return NULL;

		return NULL;





	return dma_get_slave_channel(&(d->chans[request].vc.chan));

	return dma_get_slave_channel(&(d->chans[request].vc.chan));