linux-kernel - [PATCH] ia64:tioce_provider: Use kmemdup rather than implement the function

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Message-ID: <1533868730-65425-1-git-send-email-zhongjiang@huawei.com>
Date:   Fri, 10 Aug 2018 10:38:50 +0800
From:   zhong jiang <zhongjiang@...wei.com>
To:     <tony.luck@...el.com>, <fenghua.yu@...el.com>
CC:     <linux-ia64@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] ia64:tioce_provider: Use kmemdup rather than implement the function

The kmemdup has implemented the function that kmalloc() + memcpy will
do. So just replace them to make the code concise.

Signed-off-by: zhong jiang <zhongjiang@...wei.com>
---
 arch/ia64/sn/pci/tioce_provider.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/ia64/sn/pci/tioce_provider.c b/arch/ia64/sn/pci/tioce_provider.c
index 3bd9abc..9ba61bc 100644
--- a/arch/ia64/sn/pci/tioce_provider.c
+++ b/arch/ia64/sn/pci/tioce_provider.c
@@ -1000,11 +1000,11 @@
 	 * Allocate kernel bus soft and copy from prom.
 	 */
 
-	tioce_common = kzalloc(sizeof(struct tioce_common), GFP_KERNEL);
+	tioce_common = kmemdup(prom_bussoft, sizeof(struct tioce_common),
+			       GFP_KERNEL);
 	if (!tioce_common)
 		return NULL;
 
-	memcpy(tioce_common, prom_bussoft, sizeof(struct tioce_common));
 	tioce_common->ce_pcibus.bs_base = (unsigned long)
 		ioremap(REGION_OFFSET(tioce_common->ce_pcibus.bs_base),
 			sizeof(struct tioce_common));
-- 
1.7.12.4