Re: [PATCH] Check copy_*_user return value in drivers/block/scsi_ioctl.c

Jens Axboe (axboe@suse.de)
Sun, 25 May 2003 18:28:44 +0200

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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