From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Date: Fri, 25 Aug 2017 05:22:53 +0000 (+0200)
Subject: usb: chipidea: usb2: check memory allocation failure
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=49ca2eff5758eb73cc906dbea74ce54b7c99e4d1;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

usb: chipidea: usb2: check memory allocation failure

Check memory allocation failure and return -ENOMEM in such a case, as
already done few lines below for another memory allocation.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/usb/chipidea/ci_hdrc_usb2.c b/drivers/usb/chipidea/ci_hdrc_usb2.c
index d162cc0bb8ce..99425db9ba62 100644
--- a/drivers/usb/chipidea/ci_hdrc_usb2.c
+++ b/drivers/usb/chipidea/ci_hdrc_usb2.c
@@ -52,6 +52,8 @@ static int ci_hdrc_usb2_probe(struct platform_device *pdev)
 
 	if (!ci_pdata) {
 		ci_pdata = devm_kmalloc(dev, sizeof(*ci_pdata), GFP_KERNEL);
+		if (!ci_pdata)
+			return -ENOMEM;
 		*ci_pdata = ci_default_pdata;	/* struct copy */
 	}