Re: [PATCH] sg: fix memory leak

[vaughan <vaughan.cao@oracle.com>]

On 09/25/2013 10:26 PM, Vegard Nossum wrote:
> Commit e32c9e6300e3af659cbfe45e90a1e7dcd3572ada introduced a memory
> leak. Fix it.
>
> Cc: stable@vger.kernel.org
> Cc: Vaughan Cao <vaughan.cao@oracle.com>
> Cc: Douglas Gilbert <dgilbert@interlog.com>
> Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
> ---
>  drivers/scsi/sg.c |    1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
> index 5cbc4bb..a97143f 100644
> --- a/drivers/scsi/sg.c
> +++ b/drivers/scsi/sg.c
> @@ -2060,6 +2060,7 @@ sg_add_sfp(Sg_device * sdp, int dev)
>  	spin_lock_irqsave(&sdp->sfd_lock, iflags);
>  	if (sdp->detached) {
>  		spin_unlock_irqrestore(&sdp->sfd_lock, iflags);
> +		kfree(sfp);
>  		return ERR_PTR(-ENODEV);
>  	}
>  	list_add_tail(&sfp->sfd_siblings, &sdp->sfds);
You're right. It's a memory leak.

Vaughan