linux-kernel - [PATCH 3/3] ASoC: omap-hdmi-audio: Handle return value of devm

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Date:   Wed, 20 Sep 2017 15:36:11 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     lgirdwood@...il.com, broonie@...nel.org, perex@...ex.cz,
        tiwai@...e.com, timur@...i.org, nicoleotsuka@...il.com,
        Xiubo.Lee@...il.com, fabio.estevam@....com, peter.ujfalusi@...com,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-omap@...r.kernel.org
Subject: [PATCH 3/3] ASoC: omap-hdmi-audio: Handle return value of devm_kasprintf

devm_kasprintf() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
 sound/soc/omap/omap-hdmi-audio.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sound/soc/omap/omap-hdmi-audio.c b/sound/soc/omap/omap-hdmi-audio.c
index 3e9cc48..8eeac7c 100644
--- a/sound/soc/omap/omap-hdmi-audio.c
+++ b/sound/soc/omap/omap-hdmi-audio.c
@@ -362,6 +362,9 @@ static int omap_hdmi_audio_probe(struct platform_device *pdev)
 
 	card->name = devm_kasprintf(dev, GFP_KERNEL,
 				    "HDMI %s", dev_name(ad->dssdev));
+	if (!card->name)
+		return -ENOMEM;
+
 	card->owner = THIS_MODULE;
 	card->dai_link =
 		devm_kzalloc(dev, sizeof(*(card->dai_link)), GFP_KERNEL);
-- 
1.9.1