linux-kernel - [PATCH v2] ASoC: meson: fixes the missed kfree() for axg_card_add_tdm

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Message-ID: <20200717082242.130627-1-jingxiangfeng@huawei.com>
Date:   Fri, 17 Jul 2020 16:22:42 +0800
From:   Jing Xiangfeng <jingxiangfeng@...wei.com>
To:     <jbrunet@...libre.com>, <lgirdwood@...il.com>,
        <broonie@...nel.org>, <perex@...ex.cz>, <tiwai@...e.com>,
        <khilman@...libre.com>, <kuninori.morimoto.gx@...esas.com>
CC:     <alsa-devel@...a-project.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-amlogic@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <jingxiangfeng@...wei.com>
Subject: [PATCH v2] ASoC: meson: fixes the missed kfree() for axg_card_add_tdm_loopback

axg_card_add_tdm_loopback() misses to call kfree() in an error path. We
can use devm_kasprintf() to fix the issue, also improve maintainability.
So use it instead.

Fixes: c84836d7f650 ("ASoC: meson: axg-card: use modern dai_link style")
Signed-off-by: Jing Xiangfeng <jingxiangfeng@...wei.com>
---
 sound/soc/meson/axg-card.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/meson/axg-card.c b/sound/soc/meson/axg-card.c
index 89f7f64747cd..47f2d93224fe 100644
--- a/sound/soc/meson/axg-card.c
+++ b/sound/soc/meson/axg-card.c
@@ -116,7 +116,7 @@ static int axg_card_add_tdm_loopback(struct snd_soc_card *card,
 
 	lb = &card->dai_link[*index + 1];
 
-	lb->name = kasprintf(GFP_KERNEL, "%s-lb", pad->name);
+	lb->name = devm_kasprintf(card->dev, GFP_KERNEL, "%s-lb", pad->name);
 	if (!lb->name)
 		return -ENOMEM;
 
-- 
2.17.1