Re: [PATCH v2 1/2] ACPI / tables: simplify acpi_parse_entries

From: Rafael J. Wysocki
Date: Fri Sep 25 2015 - 19:59:34 EST

On Wednesday, September 16, 2015 01:58:06 PM Sudeep Holla wrote:
> acpi_parse_entries passes the table end pointer to the sub-table entry
> handler. acpi_parse_entries itself could validate the end of an entry
> against the table end using the length in the sub-table entry.
> This patch adds the validation of the sub-table entry end using the
> length field.This will help to eliminate the need to pass the table end
> to the handlers.
> It also moves the check for zero length entry early so that execution of
> the handler can be avoided.
> Cc: "Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx>
> Signed-off-by: Sudeep Holla <sudeep.holla@xxxxxxx>
> ---
> drivers/acpi/tables.c | 31 +++++++++++++++----------------
> 1 file changed, 15 insertions(+), 16 deletions(-)
> Hi Rafael,
> As I mentioned earlier, this needs to be applied after Al's MADT changes
> are merged. You might get simple conflicts in acpi_parse_entries.

This needs to be rebased on top of some patches in my linux-next branch.

It probably is better to rebase it on top of my bleeding-edge branch that
contains the Al's patches already, though.


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