Jesper Juhl <[email protected]> wrote:
>
> Second attempt at this patch.
>
> (
> noticed a small flaw in my first patch, this should be better.
> also noticed that Gadi Oxman seems unable to recieve mail at the address
> listed in MAINTAINERS, so put a few other (hopefully relevant) people on
> Cc instead
> )
>
>
> Attempt to handle copy_*_user() failures in
> drivers/ide/ide-tape.c::idetape_copy_stage_*_user
>
> drivers/ide/ide-tape.c:2663: warning: ignoring return value of opy_from_user', declared with attribute warn_unused_result
> drivers/ide/ide-tape.c:2690: warning: ignoring return value of opy_to_user', declared with attribute warn_unused_result
>
> Due to lack of hardware I'm unfortunately not able to test this patch
> beyond making sure it compiles.
>
Too scary for me.
> @@ -2669,26 +2671,30 @@ static void idetape_copy_stage_from_user
> if (bh)
> atomic_set(&bh->b_count, 0);
> }
> + if (not_copied)
> + return not_copied;
> }
> tape->bh = bh;
> + return 0;
> }
What are the effects of not updating tape->bh?
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