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>

1 files changed, 2 insertions, 1 deletions

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;