[PATCH] net: mpls: use kmemdup() to replace kmalloc + memcpy

[Jiapeng Chong]

Eliminate the follow coccicheck warning:

./net/mpls/af_mpls.c:1530:9-16: WARNING opportunity for kmemdup.

Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx>
---
 net/mpls/af_mpls.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c
index 48f75a5..38c8a1f 100644
--- a/net/mpls/af_mpls.c
+++ b/net/mpls/af_mpls.c
@@ -1527,10 +1527,9 @@ static int mpls_ifdown(struct net_device *dev, int event)
 					rt->rt_nh_size;
 				struct mpls_route *orig = rt;
 
-				rt = kmalloc(size, GFP_KERNEL);
+				rt = kmemdup(orig, size, GFP_KERNEL);
 				if (!rt)
 					return -ENOMEM;
-				memcpy(rt, orig, size);
 			}
 		}
 
-- 
1.8.3.1