dmaengine: xilinx: vdma: Allow only one chunk in a line
This patch adds a sanity check to see if frame_size is 1. Signed-off-by: Srikanth Thokala <sthokal@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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@ -942,6 +942,9 @@ xilinx_vdma_dma_prep_interleaved(struct dma_chan *dchan,
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if (!xt->numf || !xt->sgl[0].size)
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return NULL;
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if (xt->frame_size != 1)
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return NULL;
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/* Allocate a transaction descriptor. */
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desc = xilinx_vdma_alloc_tx_descriptor(chan);
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if (!desc)
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