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Returning the output value from a function, when it is possible, is the better and cleaner way than passing it by the pointer. Hence, modify the ppid_to_apid mapping function to return apid instead of passing it by a pointer. While at it, pass the ppid as function parameter to ppid_to_apid mapping function instead of passing the sid and addr. Signed-off-by: Kiran Gunda <kgunda@codeaurora.org> Reviewed-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>