From: Kiran Padwal <kiran.padwal@smartplayin.com>
Date: Thu, 5 Feb 2015 11:31:37 +0000 (+0530)
Subject: ARCNET: Add missing error check for devm_kzalloc
X-Git-Tag: v4.0-rc1~133^2~3^2~12
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e8a308affcd79d95dad111f7872e43e9f73abb3b;p=karo-tx-linux.git

ARCNET: 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>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/arcnet/com20020-pci.c b/drivers/net/arcnet/com20020-pci.c
index 6c99ff0b0bdd..945f532078e9 100644
--- a/drivers/net/arcnet/com20020-pci.c
+++ b/drivers/net/arcnet/com20020-pci.c
@@ -78,6 +78,9 @@ static int com20020pci_probe(struct pci_dev *pdev, const struct pci_device_id *i
 
 	priv = devm_kzalloc(&pdev->dev, sizeof(struct com20020_priv),
 			    GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
 	ci = (struct com20020_pci_card_info *)id->driver_data;
 	priv->ci = ci;