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

From: zhong jiang
Date: Thu Aug 09 2018 - 22:50:40 EST


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@xxxxxxxxxx>
---
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