netdev - [patch 1/2] rocker: add a check for NULL in rocker_probe

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Message-ID: <20150225133532.GU19745@mwanda>
Date:	Wed, 25 Feb 2015 16:35:32 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Jiri Pirko <jiri@...nulli.us>
Cc:	Scott Feldman <sfeldma@...il.com>, netdev@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: [patch 1/2] rocker: add a check for NULL in rocker_probe_ports()

Make sure kmalloc() succeeds.

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c
index 34389b6a..713a13c 100644
--- a/drivers/net/ethernet/rocker/rocker.c
+++ b/drivers/net/ethernet/rocker/rocker.c
@@ -4201,6 +4201,8 @@ static int rocker_probe_ports(struct rocker *rocker)
 
 	alloc_size = sizeof(struct rocker_port *) * rocker->port_count;
 	rocker->ports = kmalloc(alloc_size, GFP_KERNEL);
+	if (!rocker->ports)
+		return -ENOMEM;
 	for (i = 0; i < rocker->port_count; i++) {
 		err = rocker_probe_port(rocker, i);
 		if (err)
--
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