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Commit a5e48e24 authored by Srikanth Thokala's avatar Srikanth Thokala Committed by Vinod Koul
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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: default avatarSrikanth Thokala <sthokal@xilinx.com>
Signed-off-by: default avatarMichal Simek <michal.simek@xilinx.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 049c0d57

drivers/dma/xilinx/xilinx_vdma.c

+3 −0
Original line number Original line Diff line number Diff line
@@ -942,6 +942,9 @@ xilinx_vdma_dma_prep_interleaved(struct dma_chan *dchan, 
	if (!xt->numf || !xt->sgl[0].size)

	if (!xt->numf || !xt->sgl[0].size)

		return NULL;

		return NULL;





	if (xt->frame_size != 1)

		return NULL;



	/* Allocate a transaction descriptor. */

	/* Allocate a transaction descriptor. */

	desc = xilinx_vdma_alloc_tx_descriptor(chan);

	desc = xilinx_vdma_alloc_tx_descriptor(chan);

	if (!desc)

	if (!desc)