[libcamera-devel] [PATCH v1.1] libcamera: v4l2_videodevice: Fix uninitialised watchdogDuration_
Laurent Pinchart
laurent.pinchart at ideasonboard.com
Thu Apr 7 09:22:29 CEST 2022
Hi Umang,
Thank you for the patch.
On Thu, Apr 07, 2022 at 09:24:09AM +0530, Umang Jain wrote:
> Initialise the watchdogDuration_ member to 0ms before it is used
> in rest of the code base. Failing to do so, spews out log warnings
> regarding dequeue timer being expired.
>
> Fixes: 16f3d2de50ff ("libcamera: v4l2_videodevice: Add a dequeue timer")
> Signed-off-by: Umang Jain <umang.jain at ideasonboard.com>
> Reviewed-by: Naushir Patuck <naush at raspberrypi.com>
> Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> ---
> - Rebased over "libcamera: base: utils: Add missing constructor for
> Duration"
> ---
> src/libcamera/v4l2_videodevice.cpp | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/src/libcamera/v4l2_videodevice.cpp b/src/libcamera/v4l2_videodevice.cpp
> index 634ac4a5..87976fb2 100644
> --- a/src/libcamera/v4l2_videodevice.cpp
> +++ b/src/libcamera/v4l2_videodevice.cpp
> @@ -39,6 +39,8 @@
>
> namespace libcamera {
>
> +using namespace std::literals::chrono_literals;
> +
You can drop this now. I'll apply the patch with this change removed.
> LOG_DECLARE_CATEGORY(V4L2)
>
> /**
> @@ -520,7 +522,8 @@ const std::string V4L2DeviceFormat::toString() const
> */
> V4L2VideoDevice::V4L2VideoDevice(const std::string &deviceNode)
> : V4L2Device(deviceNode), formatInfo_(nullptr), cache_(nullptr),
> - fdBufferNotifier_(nullptr), state_(State::Stopped)
> + fdBufferNotifier_(nullptr), state_(State::Stopped),
> + watchdogDuration_(0.0)
> {
> /*
> * We default to an MMAP based CAPTURE video device, however this will
--
Regards,
Laurent Pinchart
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