[PATCH 01/31] arch/arm/mach-lpc32xx: use kmemdup rather than duplicating its implementation

From: Andrzej Hajda
Date: Fri Aug 07 2015 - 04:09:26 EST


The patch was generated using fixed coccinelle semantic patch
scripts/coccinelle/api/memdup.cocci [1].

[1]: http://permalink.gmane.org/gmane.linux.kernel/2014320

Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
---
arch/arm/mach-lpc32xx/pm.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/arch/arm/mach-lpc32xx/pm.c b/arch/arm/mach-lpc32xx/pm.c
index 207e812..dd3a432 100644
--- a/arch/arm/mach-lpc32xx/pm.c
+++ b/arch/arm/mach-lpc32xx/pm.c
@@ -87,7 +87,8 @@ static int lpc32xx_pm_enter(suspend_state_t state)
void *iram_swap_area;

/* Allocate some space for temporary IRAM storage */
- iram_swap_area = kmalloc(lpc32xx_sys_suspend_sz, GFP_KERNEL);
+ iram_swap_area = kmemdup((void *)TEMP_IRAM_AREA,
+ lpc32xx_sys_suspend_sz, GFP_KERNEL);
if (!iram_swap_area) {
printk(KERN_ERR
"PM Suspend: cannot allocate memory to save portion "
@@ -95,10 +96,6 @@ static int lpc32xx_pm_enter(suspend_state_t state)
return -ENOMEM;
}

- /* Backup a small area of IRAM used for the suspend code */
- memcpy(iram_swap_area, (void *) TEMP_IRAM_AREA,
- lpc32xx_sys_suspend_sz);
-
/*
* Copy code to suspend system into IRAM. The suspend code
* needs to run from IRAM as DRAM may no longer be available
--
1.9.1

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