The semantic patch that makes this change is available
in scripts/coccinelle/api/memdup.cocci.
Signed-off-by: Thomas Meyer <thomas@xxxxxxxx>
---
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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