From: Chaehyun Lim <chaehyun.lim@gmail.com>
Date: Fri, 6 Nov 2015 10:11:20 +0000 (+0900)
Subject: staging: wilc1000: use kmemdup in host_int_add_station
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=7897bd00f6b5e69443ceffc7900faaafc23455b0;p=openwrt%2Fstaging%2Fblogic.git

staging: wilc1000: use kmemdup in host_int_add_station

This patch replaces kmalloc followed by memcpy with kmemdup.

Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/wilc1000/host_interface.c b/drivers/staging/wilc1000/host_interface.c
index b870809037b1..db7060f2ba12 100644
--- a/drivers/staging/wilc1000/host_interface.c
+++ b/drivers/staging/wilc1000/host_interface.c
@@ -4560,13 +4560,11 @@ int host_int_add_station(struct host_if_drv *hif_drv,
 
 	memcpy(add_sta_info, sta_param, sizeof(struct add_sta_param));
 	if (add_sta_info->rates_len > 0) {
-		u8 *rates = kmalloc(add_sta_info->rates_len, GFP_KERNEL);
-
+		u8 *rates = kmemdup(sta_param->rates,
+				    add_sta_info->rates_len,
+				    GFP_KERNEL);
 		if (!rates)
 			return -ENOMEM;
-
-		memcpy(rates, sta_param->rates,
-		       add_sta_info->rates_len);
 		add_sta_info->rates = rates;
 	}