linux-kernel - [PATCH] ia64: tioca: Use kmemdup rather than duplicating its implementation

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Date:	Sat, 19 Nov 2011 12:27:39 +0100
From:	Thomas Meyer <thomas@...3r.de>
To:	jes@....com, tony.luck@...el.com, fenghua.yu@...el.com,
	linux-altix@....com, linux-ia64@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] ia64: tioca: Use kmemdup rather than duplicating its
 implementation

The semantic patch that makes this change is available
in scripts/coccinelle/api/memdup.cocci.

Signed-off-by: Thomas Meyer <thomas@...3r.de>
---

diff -u -p a/arch/ia64/sn/pci/tioca_provider.c b/arch/ia64/sn/pci/tioca_provider.c
--- a/arch/ia64/sn/pci/tioca_provider.c 2011-11-07 19:39:05.034456070 +0100
+++ b/arch/ia64/sn/pci/tioca_provider.c 2011-11-08 11:01:35.744740824 +0100
@@ -600,11 +600,11 @@ tioca_bus_fixup(struct pcibus_bussoft *p
 	 * Allocate kernel bus soft and copy from prom.
 	 */
 
-	tioca_common = kzalloc(sizeof(struct tioca_common), GFP_KERNEL);
+	tioca_common = kmemdup(prom_bussoft, sizeof(struct tioca_common),
+			       GFP_KERNEL);
 	if (!tioca_common)
 		return NULL;
 
-	memcpy(tioca_common, prom_bussoft, sizeof(struct tioca_common));
 	tioca_common->ca_common.bs_base = (unsigned long)
 		ioremap(REGION_OFFSET(tioca_common->ca_common.bs_base),
 			sizeof(struct tioca_common));


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