From: Fabian Frederick <fabf@skynet.be>
Date: Fri, 14 Nov 2014 18:36:42 +0000 (+0100)
Subject: net: dsa: replace count*size kmalloc by kmalloc_array
X-Git-Tag: firefly_0821_release~176^2~2717^2~184
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5bc4b46a70eab74d642c726d99433166d3f65e45;p=firefly-linux-kernel-4.4.55.git

net: dsa: replace count*size kmalloc by kmalloc_array

kmalloc_array manages count*sizeof overflow.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 4648f12098ad..c00cca3e1913 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -526,7 +526,8 @@ static int dsa_of_setup_routing_table(struct dsa_platform_data *pd,
 
 	/* First time routing table allocation */
 	if (!cd->rtable) {
-		cd->rtable = kmalloc(pd->nr_chips * sizeof(s8), GFP_KERNEL);
+		cd->rtable = kmalloc_array(pd->nr_chips, sizeof(s8),
+					   GFP_KERNEL);
 		if (!cd->rtable)
 			return -ENOMEM;