Messages in this thread Patch in this message | | | From | Akshu Agrawal <> | Subject | [PATCH 1/2] ASoC: AMD: Add NULL pointer check | Date | Thu, 7 Jun 2018 14:48:43 +0800 |
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Fix crash in those platforms whose machine driver does not expose platform_info. For those platforms we rely on default value and select I2SSP channel.
Signed-off-by: Akshu Agrawal <akshu.agrawal@amd.com> --- sound/soc/amd/acp-pcm-dma.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c index 7720384..1458b50 100644 --- a/sound/soc/amd/acp-pcm-dma.c +++ b/sound/soc/amd/acp-pcm-dma.c @@ -773,7 +773,8 @@ static int acp_dma_hw_params(struct snd_pcm_substream *substream, if (WARN_ON(!rtd)) return -EINVAL; - rtd->i2s_instance = pinfo->i2s_instance; + if (pinfo) + rtd->i2s_instance = pinfo->i2s_instance; if (adata->asic_type == CHIP_STONEY) { val = acp_reg_read(adata->acp_mmio, mmACP_I2S_16BIT_RESOLUTION_EN); -- 1.9.1
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