linux-kernel - [PATCH] ASoC: qcom: apq8096: set card as device drvdata

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Date:   Wed,  6 Jun 2018 14:25:24 +0530
From:   Rohit kumar <rohitkr@...eaurora.org>
To:     plai@...eaurora.org, bgoswami@...eaurora.org,
        srinivas.kandagatla@...aro.org, rohkumar@....qualcomm.com,
        lgirdwood@...il.com, broonie@...nel.org, perex@...ex.cz,
        tiwai@...e.com, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Cc:     Rohit kumar <rohitkr@...eaurora.org>
Subject: [PATCH] ASoC: qcom: apq8096: set card as device drvdata

snd_soc_card is retrieved as device drvdata during unbind().
Set it as drvdata during bind() to avoid memory corruption during
unbind().

Signed-off-by: Rohit kumar <rohitkr@...eaurora.org>
---
 sound/soc/qcom/apq8096.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/qcom/apq8096.c b/sound/soc/qcom/apq8096.c
index 561cd42..239b8cb 100644
--- a/sound/soc/qcom/apq8096.c
+++ b/sound/soc/qcom/apq8096.c
@@ -140,6 +140,7 @@ static int apq8096_bind(struct device *dev)
 
 	component_bind_all(dev, card);
 	card->dev = dev;
+	dev_set_drvdata(dev, card);
 	ret = apq8096_sbc_parse_of(card);
 	if (ret) {
 		dev_err(dev, "Error parsing OF data\n");
-- 
Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc.,
is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.