[PATCH v2] ALSA: intel_hdmi: Check for error num after setting mask

[Jiasheng Jiang]

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 at iscas.ac.cn>
---
Changelog

v1 -> v2

* Change 1. Remove the fixes tag and change the message.
---
 sound/x86/intel_hdmi_audio.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sound/x86/intel_hdmi_audio.c b/sound/x86/intel_hdmi_audio.c
index 33b12aa67cf5..6caea517f07f 100644
--- a/sound/x86/intel_hdmi_audio.c
+++ b/sound/x86/intel_hdmi_audio.c
@@ -1770,7 +1770,9 @@ 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)
+		goto err;
 
 	init_channel_allocations();
 
-- 
2.25.1