From: Heinrich Schuchardt <xypron.glpk@gmx.de>
Date: Wed, 7 Mar 2018 02:39:04 +0000 (+0100)
Subject: net: mvpp2x: add check after calloc
X-Git-Tag: v2018.05-rc1~11^2~21
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b24b1e4b1d6776ca12a57eff77956bce77b2e56f;p=platform%2Fkernel%2Fu-boot.git

net: mvpp2x: add check after calloc

After allocating plat the pointer is checked.
Afterwards name is allocated and not checked.

Add the missing check to avoid a possible NULL dereference.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
---

diff --git a/drivers/net/mvpp2.c b/drivers/net/mvpp2.c
index e3d31a5..62c0c2b 100644
--- a/drivers/net/mvpp2.c
+++ b/drivers/net/mvpp2.c
@@ -5598,6 +5598,10 @@ static int mvpp2_base_bind(struct udevice *parent)
 		id += base_id_add;
 
 		name = calloc(1, 16);
+		if (!name) {
+			free(plat);
+			return -ENOMEM;
+		}
 		sprintf(name, "mvpp2-%d", id);
 
 		/* Create child device UCLASS_ETH and bind it */