Re: [PATCH] Check copy_*_user return value in drivers/block/scsi_ioctl.c
From: Jens Axboe (axboe@suse.de)
Date: Sun May 25 2003 - 11:32:02 EST
On Sun, May 25 2003, Paulo Andre' wrote:
> Hi Jens,
>
> Please find attached a trivial patch that checks both
> copy_to_user() and copy_from_user() returns values in scsi_ioctl.c,
> returning accordinly in case of a transfer error.
See above, we've already done access_ok() on the buffer so the
"unchecked" copy_to/from_user are done that way on purpose. I suppose it
could be made more explicit with __copy_to/from_user().
--
Jens Axboe
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