[PATCH] drivers: acpi: Replaced kmalloc and memcpy with kmemdup

From: Alexandru Gheorghiu
Date: Tue Mar 12 2013 - 14:22:36 EST


Replaced calls to kmalloc followed by memcpy with a single call to kmemdup.
Patch found using coccinelle.

Signed-off-by: Alexandru Gheorghiu <gheorghiuandru@xxxxxxxxx>
---
drivers/acpi/bus.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 01708a1..6c8380e 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -288,13 +288,12 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context)
}
out_success:
context->ret.length = out_obj->buffer.length;
- context->ret.pointer = kmalloc(context->ret.length, GFP_KERNEL);
+ context->ret.pointer = kmemdup(out_obj->buffer.pointer,
+ context->ret.length, GFP_KERNEL);
if (!context->ret.pointer) {
status = AE_NO_MEMORY;
goto out_kfree;
}
- memcpy(context->ret.pointer, out_obj->buffer.pointer,
- context->ret.length);
status = AE_OK;

out_kfree:
--
1.7.9.5

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