From: Benoit Taine <benoit.taine@lip6.fr>
Date: Mon, 26 May 2014 15:21:13 +0000 (+0200)
Subject: qla4xxx: Use kmemdup instead of kmalloc + memcpy
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=3d30b439f0f02416e8bd784a52d0321e0c25f9fc;p=linux-beck.git

qla4xxx: Use kmemdup instead of kmalloc + memcpy

This issue was reported by coccicheck using the semantic patch
at scripts/coccinelle/api/memdup.cocci

Signed-off-by: Benoit Taine <benoit.taine@lip6.fr>
Acked-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---

diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 9eef7d41522f..320206376206 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -3565,14 +3565,13 @@ static int qla4xxx_copy_from_fwddb_param(struct iscsi_bus_flash_session *sess,
 	if (test_bit(OPT_IPV6_DEVICE, &options)) {
 		conn->ipv6_traffic_class = fw_ddb_entry->ipv4_tos;
 
-		conn->link_local_ipv6_addr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL);
+		conn->link_local_ipv6_addr = kmemdup(
+					fw_ddb_entry->link_local_ipv6_addr,
+					IPv6_ADDR_LEN, GFP_KERNEL);
 		if (!conn->link_local_ipv6_addr) {
 			rc = -ENOMEM;
 			goto exit_copy;
 		}
-
-		memcpy(conn->link_local_ipv6_addr,
-		       fw_ddb_entry->link_local_ipv6_addr, IPv6_ADDR_LEN);
 	} else {
 		conn->ipv4_tos = fw_ddb_entry->ipv4_tos;
 	}