Re: [PATCH] drivers/ide/ide-tape.c: remove double kfree

Borislav Petkov
2008-06-29T16:26:50Z

Hi Bart,

in case you haven't picked that one up already...

On Sun, Jun 29, 2008 at 08:34:34AM +1000, Darren Jenkins" wrote:
> G'day people,
>
>
> Coverity CID: 2336 USE_AFTER_FREE
>
> drivers/ide/ide-tape.c ide_tape_kfree_buffer() double free's a pointer
> (hint freed by an alias in first outer loop).
> This patch simply removes the superfluous kfree().
>
>
>
> Signed-off-by: Darren Jenkins <darrenrjenkins@gmailcom>
Acked-by: Borislav Petkov <petkovbb@gmail.com>
>
>
> diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
> index 1e1f263..86164be 100644
> --- a/drivers/ide/ide-tape.c
> +++ b/drivers/ide/ide-tape.c
> @@ -600,7 +600,6 @@ static void ide_tape_kfree_buffer(idetape_tape_t *tape)
> bh = bh->b_reqnext;
> kfree(prev_bh);
> }
> - kfree(tape->merge_bh);
> }
>
> static int idetape_end_request(ide_drive_t *drive, int uptodate, int nr_sects)
>
>
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--
Regards/Gruß,
Boris.