From: Kiran Padwal <kiran.padwal@smartplayin.com>
Date: Thu, 12 Feb 2015 09:08:02 +0000 (+0530)
Subject: ASoC: omap-hdmi-audio: Add missing error check for devm_kzalloc
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=fb5ab7296a2bea17c38fae48af2808a07049ac90;p=deliverable%2Flinux.git

ASoC: omap-hdmi-audio: Add missing error check for devm_kzalloc

This patch add a missing check on the return value of devm_kzalloc,
which would cause a NULL pointer dereference in a OOM situation.

Signed-off-by: Kiran Padwal <kiran.padwal@smartplayin.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/sound/soc/omap/omap-hdmi-audio.c b/sound/soc/omap/omap-hdmi-audio.c
index 3f9ac7dbdc80..069ad451d05d 100644
--- a/sound/soc/omap/omap-hdmi-audio.c
+++ b/sound/soc/omap/omap-hdmi-audio.c
@@ -352,6 +352,9 @@ static int omap_hdmi_audio_probe(struct platform_device *pdev)
 		return ret;
 
 	card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
+	if (!card)
+		return -ENOMEM;
+
 	card->name = devm_kasprintf(dev, GFP_KERNEL,
 				    "HDMI %s", dev_name(ad->dssdev));
 	card->owner = THIS_MODULE;