Commit a46c9047 authored by Paolo 'Blaisorblade' Giarrusso's avatar Paolo 'Blaisorblade' Giarrusso Committed by Linus Torvalds

[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
...@@ -144,6 +144,7 @@ static int aio_thread(void *arg) ...@@ -144,6 +144,7 @@ static int aio_thread(void *arg)
"errno = %d\n", errno); "errno = %d\n", errno);
} }
else { else {
/* This is safe as we've just a pointer here. */
aio = (struct aio_context *) (long) event.data; aio = (struct aio_context *) (long) event.data;
if(update_aio(aio, event.res)){ if(update_aio(aio, event.res)){
do_aio(ctx, aio); do_aio(ctx, aio);
......
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