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From: christophe.jaillet@wanadoo.fr (Christophe JAILLET)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ASoC: rockchip: Fix an error handling in 'rockchip_i2s_probe'
Date: Thu, 15 Jun 2017 07:53:11 +0200	[thread overview]
Message-ID: <20170615055311.8049-1-christophe.jaillet@wanadoo.fr> (raw)

If this memory allocation fail, we must disable what has been enabled.
Do not return immediately but go thrue the error handling path instead.

Also use 'devm_kmemdup' instead of 'devm_kzalloc+memcpy' to simplify code.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
 sound/soc/rockchip/rockchip_i2s.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c
index af5e0da144f7..f3aa3dfe914b 100644
--- a/sound/soc/rockchip/rockchip_i2s.c
+++ b/sound/soc/rockchip/rockchip_i2s.c
@@ -643,12 +643,13 @@ static int rockchip_i2s_probe(struct platform_device *pdev)
 			goto err_pm_disable;
 	}
 
-	soc_dai = devm_kzalloc(&pdev->dev,
+	soc_dai = devm_kmemdup(&pdev->dev, &rockchip_i2s_dai
 			       sizeof(*soc_dai), GFP_KERNEL);
-	if (!soc_dai)
-		return -ENOMEM;
+	if (!soc_dai) {
+		err = -ENOMEM;
+		goto err_pm_disable;
+	}
 
-	memcpy(soc_dai, &rockchip_i2s_dai, sizeof(*soc_dai));
 	if (!of_property_read_u32(node, "rockchip,playback-channels", &val)) {
 		if (val >= 2 && val <= 8)
 			soc_dai->playback.channels_max = val;
-- 
2.11.0

             reply	other threads:[~2017-06-15  5:53 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-15  5:53 Christophe JAILLET [this message]
2017-06-15 11:38 ` [PATCH] ASoC: rockchip: Fix an error handling in 'rockchip_i2s_probe' kbuild test robot
2017-06-15 17:20 ` Applied "ASoC: rockchip: Fix an error handling in 'rockchip_i2s_probe'" to the asoc tree Mark Brown
2017-06-15 17:32   ` Christophe JAILLET
2017-06-15 19:12     ` Mark Brown
2017-06-16  4:57   ` Christophe JAILLET
2017-06-16  9:18     ` Mark Brown

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