Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Date:   Fri, 9 Apr 2021 13:16:54 +0900
From:   Tomasz Figa <tfiga@chromium.org>
To:     Ricardo Ribalda <ribalda@chromium.org>
Cc:     Sakari Ailus <sakari.ailus@linux.intel.com>,
        Bingbu Cao <bingbu.cao@intel.com>,
        Tianshu Qiu <tian.shu.qiu@intel.com>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Arnd Bergmann <arnd@arndb.de>, linux-media@vger.kernel.org,
        devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org,
        stable@vger.kernel.org
Subject: Re: [PATCH v2 2/2] media: staging/intel-ipu3: Fix set_fmt error
 handling
Message-ID: <YG/VNufYSadPL9a9@chromium.org>
References: <20210315123406.1523607-1-ribalda@chromium.org>
 <20210315123406.1523607-2-ribalda@chromium.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20210315123406.1523607-2-ribalda@chromium.org>
Precedence: bulk

On Mon, Mar 15, 2021 at 01:34:06PM +0100, Ricardo Ribalda wrote:
> If there in an error during a set_fmt, do not overwrite the previous
> sizes with the invalid config.
> 
> [   38.662975] ipu3-imgu 0000:00:05.0: swiotlb buffer is full (sz: 4096 bytes)
> [   38.662980] DMA: Out of SW-IOMMU space for 4096 bytes at device 0000:00:05.0
> [   38.663010] general protection fault: 0000 [#1] PREEMPT SMP
> 
> Cc: stable@vger.kernel.org
> Fixes: 6d5f26f2e045 ("media: staging/intel-ipu3-v4l: reduce kernel stack usage")
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
> ---
>  drivers/staging/media/ipu3/ipu3-v4l2.c | 25 ++++++++++++++-----------
>  1 file changed, 14 insertions(+), 11 deletions(-)

Reviewed-by: Tomasz Figa <tfiga@chromium.org>

Best regards,
Tomasz