linux-kernel - [PATCH] ASoC: stm32: fix sai driver name initialisation

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Date:   Fri, 5 Apr 2019 11:19:11 +0200
From:   Arnaud Pouliquen <arnaud.pouliquen@...com>
To:     <alsa-devel@...a-project.org>, Mark Brown <broonie@...nel.org>,
        "Liam Girdwood" <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        "Takashi Iwai" <tiwai@...e.com>
CC:     <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Olivier Moysan <olivier.moysan@...com>,
        <arnaud.pouliquen@...com>
Subject: [PATCH] ASoC: stm32: fix sai driver name initialisation

This patch fixes the sai driver structure overwriting which results in
a cpu dai name equal NULL.

Fixes: 3e086ed ("ASoC: stm32: add SAI driver")

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@...com>
---
 sound/soc/stm/stm32_sai_sub.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/stm/stm32_sai_sub.c b/sound/soc/stm/stm32_sai_sub.c
index 2a90641..3dd54bc 100644
--- a/sound/soc/stm/stm32_sai_sub.c
+++ b/sound/soc/stm/stm32_sai_sub.c
@@ -1420,7 +1420,6 @@ static int stm32_sai_sub_dais_init(struct platform_device *pdev,
 	if (!sai->cpu_dai_drv)
 		return -ENOMEM;
 
-	sai->cpu_dai_drv->name = dev_name(&pdev->dev);
 	if (STM_SAI_IS_PLAYBACK(sai)) {
 		memcpy(sai->cpu_dai_drv, &stm32_sai_playback_dai,
 		       sizeof(stm32_sai_playback_dai));
@@ -1430,6 +1429,7 @@ static int stm32_sai_sub_dais_init(struct platform_device *pdev,
 		       sizeof(stm32_sai_capture_dai));
 		sai->cpu_dai_drv->capture.stream_name = sai->cpu_dai_drv->name;
 	}
+	sai->cpu_dai_drv->name = dev_name(&pdev->dev);
 
 	return 0;
 }
-- 
2.7.4