From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Wed, 25 Feb 2015 13:35:32 +0000 (+0300)
Subject: rocker: add a check for NULL in rocker_probe_ports()
X-Git-Tag: firefly_0821_release~176^2~2213^2~38
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e65ad3be869b45f90a401d8ce4d4e7381c99ceb0;p=firefly-linux-kernel-4.4.55.git

rocker: add a check for NULL in rocker_probe_ports()

Make sure kmalloc() succeeds.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Scott Feldman <sfeldma@gmail.com>
Acked-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c
index 34389b6aa67c..713a13cb8c14 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)