On Fri, Oct 9, 2015 at 10:54 AM, Verma, Vishal L <vishal.l.verma@xxxxxxxxx> wrote: > On Fri, 2015-10-09 at 13:28 -0400, Jeff Moyer wrote: >> Vishal Verma <vishal.l.verma@xxxxxxxxx> writes: >> >> > /** >> > + * acpi_evaluate_fit: Evaluate _FIT method to get an updated NFIT >> > + * @handle: ACPI device handle >> > + * @buf: buffer for the updated NFIT >> > + * >> > + * Evaluate device's _FIT method if present to get an updated NFIT >> > + */ >> > +acpi_status acpi_evaluate_fit(acpi_handle handle, struct >> > acpi_buffer **buf) >> > +{ >> > + acpi_status status; >> > + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL >> > }; >> > + >> > + status = acpi_evaluate_object(handle, "_FIT", NULL, >> > &buffer); >> > + >> > + if (ACPI_FAILURE(status)) >> > + return status; >> > + >> > + *buf = &buffer; >> >> Umm, unless I'm missing something, you're returning a stack address. > > Good point, you're right. Dan/Rafael, is it OK to just remove this > patch entirely, and call acpi_evaluate_object directly from nfit.c? The > current way did feel a bit kludgey to me any way because I was > allocating a buffer here (above), but trying to free it in the caller, > which seems very ugly.. Open coding a call to acpi_evaluate_object() sounds good to me. -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html