linux-kernel - Re: [PATCH v4 1/8] optee: Fix memory leak when failing to register shm pages

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Message-ID: <CAHUa44HU+KnqRKnvhK=Xm3WJeYN5HPJ83e0=v+CZ0hztBWh6Fw@mail.gmail.com>
Date:   Fri, 11 Jun 2021 11:05:18 +0200
From:   Jens Wiklander <jens.wiklander@...aro.org>
To:     Tyler Hicks <tyhicks@...ux.microsoft.com>
Cc:     Allen Pais <apais@...ux.microsoft.com>,
        Sumit Garg <sumit.garg@...aro.org>,
        Peter Huewe <peterhuewe@....de>,
        Jarkko Sakkinen <jarkko@...nel.org>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Vikas Gupta <vikas.gupta@...adcom.com>,
        Thirupathaiah Annapureddy <thiruan@...rosoft.com>,
        Pavel Tatashin <pasha.tatashin@...een.com>,
        Rafał Miłecki <zajec5@...il.com>,
        OP-TEE TrustedFirmware <op-tee@...ts.trustedfirmware.org>,
        linux-integrity <linux-integrity@...r.kernel.org>,
        bcm-kernel-feedback-list@...adcom.com, linux-mips@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 1/8] optee: Fix memory leak when failing to register
 shm pages

On Thu, Jun 10, 2021 at 11:09 PM Tyler Hicks
<tyhicks@...ux.microsoft.com> wrote:
>
> Free the previously allocated pages when we encounter an error condition
> while attempting to register the pages with the secure world.
>
> Fixes: a249dd200d03 ("tee: optee: Fix dynamic shm pool allocations")
> Fixes: 5a769f6ff439 ("optee: Fix multi page dynamic shm pool alloc")
> Signed-off-by: Tyler Hicks <tyhicks@...ux.microsoft.com>
> ---
>  drivers/tee/optee/shm_pool.c | 12 ++++++++++--
>  1 file changed, 10 insertions(+), 2 deletions(-)

Looks good.

Reviewed-by: Jens Wiklander <jens.wiklander@...aro.org>