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[03/22] phy: phy-mvebu-sata: Add missing error check for devm_kzalloc

Message ID 1411566440-19169-4-git-send-email-kishon@ti.com
State Accepted
Commit 1f8de849cf8399ff287bab560d04df4515ec73c0
Headers show

Commit Message

Kishon Vijay Abraham I Sept. 24, 2014, 1:47 p.m. UTC 
From: Peter Griffin <peter.griffin@linaro.org>

Currently this driver is missing a check on the return value of devm_kzalloc,
which would cause a NULL pointer dereference in a OOM situation.

This patch adds the aformentioned missing check.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
---
 drivers/phy/phy-mvebu-sata.c |    2 ++
 1 file changed, 2 insertions(+)
diff mbox

Patch

diff --git a/drivers/phy/phy-mvebu-sata.c b/drivers/phy/phy-mvebu-sata.c
index cc3c0e1..10bb8e5 100644
--- a/drivers/phy/phy-mvebu-sata.c
+++ b/drivers/phy/phy-mvebu-sata.c
@@ -89,6 +89,8 @@  static int phy_mvebu_sata_probe(struct platform_device *pdev)
 	struct phy *phy;
 
 	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	priv->base = devm_ioremap_resource(&pdev->dev, res);