sound/soc/sh/siu: Fixed undefined dma_length of scatter gather list
authorMarkus Pietrek <markus.pietrek@emtrion.de>
Wed, 4 Aug 2010 06:59:50 +0000 (15:59 +0900)
committerPaul Mundt <lethal@linux-sh.org>
Wed, 4 Aug 2010 06:59:50 +0000 (15:59 +0900)
Without this patch, an undefined/random sg->dma_length is used and
the sound will be played/captured wrongly.

Signed-off-by: Markus Pietrek <markus.pietrek@emtrion.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
sound/soc/sh/siu_pcm.c

index 36170be..b0ccd0b 100644 (file)
@@ -127,6 +127,7 @@ static int siu_pcm_wr_set(struct siu_port *port_info,
        sg_init_table(&sg, 1);
        sg_set_page(&sg, pfn_to_page(PFN_DOWN(buff)),
                    size, offset_in_page(buff));
+       sg_dma_len(&sg) = size;
        sg_dma_address(&sg) = buff;
 
        desc = siu_stream->chan->device->device_prep_slave_sg(siu_stream->chan,
@@ -176,6 +177,7 @@ static int siu_pcm_rd_set(struct siu_port *port_info,
        sg_init_table(&sg, 1);
        sg_set_page(&sg, pfn_to_page(PFN_DOWN(buff)),
                    size, offset_in_page(buff));
+       sg_dma_len(&sg) = size;
        sg_dma_address(&sg) = buff;
 
        desc = siu_stream->chan->device->device_prep_slave_sg(siu_stream->chan,