Commit c3bce9d5 authored by Edgar E. Iglesias's avatar Edgar E. Iglesias
Browse files

etraxfs_dma: Dont forward zero-length payload to clients 



Signed-off-by: default avatarEdgar E. Iglesias <edgar.iglesias@xilinx.com>
parent 586d1a99

hw/dma/etraxfs_dma.c

+8 −5
Original line number Diff line number Diff line
@@ -440,13 +440,16 @@ static int channel_out_run(struct fs_dma_ctrl *ctrl, int c) 
		D(printf("channel %d pushes %x %u bytes eop=%u\n", c,

		         saved_data_buf, len, out_eop));



		if (ctrl->channels[c].client->client.push)

		if (ctrl->channels[c].client->client.push) {

                        if (len > 0) {

				ctrl->channels[c].client->client.push(

					ctrl->channels[c].client->client.opaque,

					buf, len, out_eop);

		else

			}

		} else {

			printf("WARNING: DMA ch%d dataloss,"

			       " no attached client.\n", c);

		}



		saved_data_buf += len;