Add check for the return value of dma_set_max_seg_size() and return the error if it fails in order to catch the error.

Fixes: c22a8086b384 ("ASoC: intel: skylake: Set max DMA segment size") Signed-off-by: Chen Ni nichen@iscas.ac.cn --- sound/soc/intel/skylake/skl.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c index 117125187793..8edc13795462 100644 --- a/sound/soc/intel/skylake/skl.c +++ b/sound/soc/intel/skylake/skl.c @@ -943,7 +943,9 @@ static int skl_first_init(struct hdac_bus *bus) /* allow 64bit DMA address if supported by H/W */ if (dma_set_mask_and_coherent(bus->dev, DMA_BIT_MASK(64))) dma_set_mask_and_coherent(bus->dev, DMA_BIT_MASK(32)); - dma_set_max_seg_size(bus->dev, UINT_MAX); + err = dma_set_max_seg_size(bus->dev, UINT_MAX); + if (err) + return err;

/* initialize streams */ snd_hdac_ext_stream_init_all