Re: [PATCH] scsi: dpt_i2o: fix memory leak

From: Kulikov Vasiliy
Date: Wed Jul 14 2010 - 15:06:47 EST


On Wed, Jul 14, 2010 at 20:58 +0200, Dan Carpenter wrote:
> On Wed, Jul 14, 2010 at 09:53:27PM +0400, Kulikov Vasiliy wrote:
> > Free allocated memory if adpt_ioctl_to_context() failed.
> >
> > Signed-off-by: Kulikov Vasiliy <segooon@xxxxxxxxx>
> > ---
> > drivers/scsi/dpt_i2o.c | 4 +++-
> > 1 files changed, 3 insertions(+), 1 deletions(-)
> >
> > diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c
> > index f2d4df1..dd9a43b 100644
> > --- a/drivers/scsi/dpt_i2o.c
> > +++ b/drivers/scsi/dpt_i2o.c
> > @@ -1839,8 +1839,10 @@ static int adpt_i2o_passthru(adpt_hba* pHba, u32 __user *arg)
> > sg_offset = (msg[0]>>4)&0xf;
> > msg[2] = 0x40000000; // IOCTL context
> > msg[3] = adpt_ioctl_to_context(pHba, reply);
>
> This patch is wrong I'm afraid. adpt_ioctl_to_context() frees "reply" if
> there is an error.
Hmm right, but it is very strange coding style - function frees resources
that it did not allocated on error and does not free them on success.

Please, ignore this patch. Sorry for the noise.
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