Messages in this thread Patch in this message | | | Subject | [PATCH] ACPI: Use kmemdup rather than duplicating its implementation | From | Thomas Meyer <> | Date | Thu, 17 Nov 2011 23:43:40 +0100 |
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The semantic patch that makes this change is available in scripts/coccinelle/api/memdup.cocci.
Signed-off-by: Thomas Meyer <thomas@m3y3r.de> ---
diff -u -p a/drivers/acpi/bus.c b/drivers/acpi/bus.c --- a/drivers/acpi/bus.c 2011-11-08 08:49:58.136858513 +0100 +++ b/drivers/acpi/bus.c 2011-11-08 10:40:30.311111025 +0100 @@ -503,13 +503,12 @@ acpi_status acpi_run_osc(acpi_handle han } 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:
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