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ALSA: x86: Check platform_data earlier 

Just a minor optimization; check the presence of platform_data earlier
in the probe function before actually starting allocation, which makes
the error path easier.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2017-01-31 08:44:23 +01:00
parent c415022e48
commit 301cf8a955
1 changed files with 6 additions and 8 deletions
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14
sound/x86/intel_hdmi_lpe_audio.c
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@ -310,6 +310,12 @@ static int hdmi_lpe_audio_probe(struct platform_device *pdev)
dev_dbg(&pdev->dev, "Enter %s\n", __func__);
dev_dbg(&pdev->dev, "dma_mask: %p\n", pdev->dev.dma_mask);
pdata = pdev->dev.platform_data;
if (!pdata) {
dev_err(&pdev->dev, "%s: quit: pdata not allocated by i915!!\n", __func__);
return -EINVAL;
}
/* get resources */
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
@ -352,14 +358,6 @@ static int hdmi_lpe_audio_probe(struct platform_device *pdev)
/* assume pipe A as default */
ctx->had_config_offset = AUDIO_HDMI_CONFIG_A;
pdata = pdev->dev.platform_data;
if (pdata == NULL) {
dev_err(&pdev->dev, "%s: quit: pdata not allocated by i915!!\n", __func__);
ret = -ENOMEM;
goto error_irq;
}
platform_set_drvdata(pdev, ctx);
/* setup interrupt handler */