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Commit a46c9047 authored by Paolo 'Blaisorblade' Giarrusso's avatar Paolo 'Blaisorblade' Giarrusso Committed by Linus Torvalds
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[PATCH] uml: comment about cast build fix 



Explain why the casting we do to silence this warning is indeed safe.

It is because the field we're casting from, though being 64-bit wide, was filled
with a pointer in first place by ourselves.

Signed-off-by: default avatarPaolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent ae756df8

arch/um/os-Linux/aio.c

+1 −0
Original line number Diff line number Diff line
@@ -144,6 +144,7 @@ static int aio_thread(void *arg) 
                               "errno = %d\n", errno);

                }

                else {

			/* This is safe as we've just a pointer here. */

			aio = (struct aio_context *) (long) event.data;

			if(update_aio(aio, event.res)){

				do_aio(ctx, aio);