From: Fabio Estevam <fabio.estevam@freescale.com>
Date: Fri, 28 Jun 2013 16:55:28 +0000 (-0300)
Subject: imx-drm: ipu-dp: Check the return value of devm_kzalloc()
X-Git-Tag: firefly_0821_release~176^2~5471^2~545
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=55b31cf40654b32a75e7c010f9345f361ccae927;p=firefly-linux-kernel-4.4.55.git

imx-drm: ipu-dp: Check the return value of devm_kzalloc()

devm_kzalloc() may fail, so let's check its return value.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/imx-drm/ipu-v3/ipu-dp.c b/drivers/staging/imx-drm/ipu-v3/ipu-dp.c
index 113b046c0225..04495158398e 100644
--- a/drivers/staging/imx-drm/ipu-v3/ipu-dp.c
+++ b/drivers/staging/imx-drm/ipu-v3/ipu-dp.c
@@ -309,6 +309,8 @@ int ipu_dp_init(struct ipu_soc *ipu, struct device *dev, unsigned long base)
 	int i;
 
 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
 	priv->dev = dev;
 	priv->ipu = ipu;