linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] net: mpls: use kmemdup() to replace kmalloc + memcpy
@ 2021-12-02  8:33 Jiapeng Chong
  0 siblings, 0 replies; only message in thread
From: Jiapeng Chong @ 2021-12-02  8:33 UTC (permalink / raw)
  To: davem; +Cc: kuba, netdev, linux-kernel, Jiapeng Chong

Eliminate the follow coccicheck warning:

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

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
---
 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


^ permalink raw reply related	[flat|nested] only message in thread

only message in thread, other threads:[~2021-12-02  8:34 UTC | newest]

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-12-02  8:33 [PATCH] net: mpls: use kmemdup() to replace kmalloc + memcpy Jiapeng Chong

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).