From: Fuqian Huang <huangfq.daxian@gmail.com>
Date: Wed, 3 Jul 2019 16:27:42 +0000 (+0800)
Subject: IB/i40iw: Use kmemdup rather than open coding
X-Git-Tag: v5.3-rc1~79^2~64
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=cda8cf56d8e29c70dc8a3d989846c66ed1638e74;p=linux.git

IB/i40iw: Use kmemdup rather than open coding

Use kmemdump instead of kzmalloc + memcpy.

Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
---

diff --git a/drivers/infiniband/hw/i40iw/i40iw_cm.c b/drivers/infiniband/hw/i40iw/i40iw_cm.c
index 8233f5a4e623..84b3ff2687fb 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_cm.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_cm.c
@@ -4276,11 +4276,11 @@ static void i40iw_qhash_ctrl(struct i40iw_device *iwdev,
 	/* if not found then add a child listener if interface is going up */
 	if (!ifup)
 		return;
-	child_listen_node = kzalloc(sizeof(*child_listen_node), GFP_ATOMIC);
+	child_listen_node = kmemdup(parent_listen_node,
+			sizeof(*child_listen_node), GFP_ATOMIC);
 	if (!child_listen_node)
 		return;
 	node_allocated = true;
-	memcpy(child_listen_node, parent_listen_node, sizeof(*child_listen_node));
 
 	memcpy(child_listen_node->loc_addr, ipaddr,  ipv4 ? 4 : 16);