ALSA: intel_hdmi: Check for error num after setting mask

To maintain the consistency of the code, it should be better to add the
sanity check after calling dma_set_mask_and_coherent(), like
tegra_pcm_dma_allocate() in `sound/soc/tegra/tegra_pcm.c`.

Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20220107020851.3095591-1-jiasheng@iscas.ac.cn
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/x86/intel_hdmi_audio.c b/sound/x86/intel_hdmi_audio.c
index 3788263..1c94eaf 100644 (file)
--- a/sound/x86/intel_hdmi_audio.c
+++ b/sound/x86/intel_hdmi_audio.c
@@ -1750,7 +1750,9 @@ static int hdmi_lpe_audio_probe(struct platform_device *pdev)
        card_ctx->irq = irq;
 
        /* only 32bit addressable */
-       dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
+       ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
+       if (ret)
+               return ret;
 
        init_channel_allocations();