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From: Navid Emamdoost <navid.emamdoost@gmail.com>
To: unlisted-recipients:; (no To-header on input)
Cc: emamd001@umn.edu, kjlu@umn.edu, smccaman@umn.edu,
	secalert@redhat.com, Navid Emamdoost <navid.emamdoost@gmail.com>,
	Alexandre Belloni <alexandre.belloni@bootlin.com>,
	Microchip Linux Driver Support <UNGLinuxDriver@microchip.com>,
	"David S. Miller" <davem@davemloft.net>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] net: mscc: ocelot: null check devm_kcalloc
Date: Wed, 24 Jul 2019 20:56:09 -0500	[thread overview]
Message-ID: <20190725015609.24389-1-navid.emamdoost@gmail.com> (raw)

devm_kcalloc may fail and return NULL. Added the null check.

Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
---
 drivers/net/ethernet/mscc/ocelot_board.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/mscc/ocelot_board.c b/drivers/net/ethernet/mscc/ocelot_board.c
index 58bde1a9eacb..52377cfdc31a 100644
--- a/drivers/net/ethernet/mscc/ocelot_board.c
+++ b/drivers/net/ethernet/mscc/ocelot_board.c
@@ -257,6 +257,8 @@ static int mscc_ocelot_probe(struct platform_device *pdev)
 
 	ocelot->ports = devm_kcalloc(&pdev->dev, ocelot->num_phys_ports,
 				     sizeof(struct ocelot_port *), GFP_KERNEL);
+	if (!ocelot->ports)
+		return -ENOMEM;
 
 	INIT_LIST_HEAD(&ocelot->multicast);
 	ocelot_init(ocelot);
-- 
2.17.1


             reply	other threads:[~2019-07-25  1:56 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-25  1:56 Navid Emamdoost [this message]
2019-07-26  0:20 ` [PATCH] net: mscc: ocelot: null check devm_kcalloc David Miller

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