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Date:   Fri, 11 Oct 2019 23:38:44 +0200 (CEST)
From:   Julia Lawall <julia.lawall@lip6.fr>
To:     Jules Irenge <jbi.octave@gmail.com>
cc:     outreachy-kernel@googlegroups.com, gregkh@linuxfoundation.org,
        eric@anholt.net, wahrenst@gmx.net, linux-kernel@vger.kernel.org,
        devel@driverdev.osuosl.org, linux-arm-kernel@lists.infradead.org,
        linux-rpi-kernel@lists.infradead.org, daniela.mormocea@gmail.com,
        dave.stevenson@raspberrypi.org, hverkuil-cisco@xs4all.nl,
        mchehab+samsung@kernel.org, bcm-kernel-feedback-list@broadcom.com,
        sbranden@broadcom.com, rjui@broadcom.com, f.fainelli@gmail.com
Subject: Re: [Outreachy kernel] [PATCH] staging: vc04_services: fix warning
 of Logical continuations should be on the previous line
In-Reply-To: <20191011212745.20262-1-jbi.octave@gmail.com>
Message-ID: <alpine.DEB.2.21.1910112336440.3284@hadrien>
References: <20191011212745.20262-1-jbi.octave@gmail.com>
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On Fri, 11 Oct 2019, Jules Irenge wrote:

> Fix warning of logical continuations should be on the previous line.
> Issue detected by checkpatch tool.

There seem to be several changes mixed together in this patch.

Don't have a subject line that is identical to a line in the log message.
The subject line should be short.

Keeping the arguments of && on the same line, but breaking the line after
a == doesn't seem to be a good idea.  It would be better to have the left
argument of == on one line and the right argument on another, if that is
needed.

julia


>
> Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
> ---
>  .../bcm2835-camera/bcm2835-camera.c           | 41 ++++++++-----------
>  1 file changed, 17 insertions(+), 24 deletions(-)
>
> diff --git a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
> index d4d1e44b16b2..365bcd97e19d 100644
> --- a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
> +++ b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
> @@ -337,9 +337,8 @@ static void buffer_cb(struct vchiq_mmal_instance *instance,
>  			if (is_capturing(dev)) {
>  				v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev,
>  					 "Grab another frame");
> -				vchiq_mmal_port_parameter_set(
> -					instance,
> -					dev->capture.camera_port,
> +			vchiq_mmal_port_parameter_set(instance,
> +						      dev->capture.camera_port,
>  					MMAL_PARAMETER_CAPTURE,
>  					&dev->capture.frame_count,
>  					sizeof(dev->capture.frame_count));
> @@ -392,9 +391,8 @@ static void buffer_cb(struct vchiq_mmal_instance *instance,
>  	    is_capturing(dev)) {
>  		v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev,
>  			 "Grab another frame as buffer has EOS");
> -		vchiq_mmal_port_parameter_set(
> -			instance,
> -			dev->capture.camera_port,
> +		vchiq_mmal_port_parameter_set(instance,
> +					      dev->capture.camera_port,
>  			MMAL_PARAMETER_CAPTURE,
>  			&dev->capture.frame_count,
>  			sizeof(dev->capture.frame_count));
> @@ -1090,8 +1088,7 @@ static int mmal_setup_components(struct bm2835_mmal_dev *dev,
>
>  	ret = vchiq_mmal_port_set_format(dev->instance, camera_port);
>
> -	if (!ret
> -	    && camera_port ==
> +	if (!ret && camera_port ==
>  	    &dev->component[COMP_CAMERA]->output[CAM_PORT_VIDEO]) {
>  		bool overlay_enabled =
>  		    !!dev->component[COMP_PREVIEW]->enabled;
> @@ -1124,9 +1121,8 @@ static int mmal_setup_components(struct bm2835_mmal_dev *dev,
>  					  dev->capture.timeperframe.numerator;
>  		ret = vchiq_mmal_port_set_format(dev->instance, preview_port);
>  		if (overlay_enabled) {
> -			ret = vchiq_mmal_port_connect_tunnel(
> -				dev->instance,
> -				preview_port,
> +			ret = vchiq_mmal_port_connect_tunnel(dev->instance,
> +							     preview_port,
>  				&dev->component[COMP_PREVIEW]->input[0]);
>  			if (!ret)
>  				ret = vchiq_mmal_port_enable(dev->instance,
> @@ -1154,9 +1150,8 @@ static int mmal_setup_components(struct bm2835_mmal_dev *dev,
>  			    camera_port->recommended_buffer.num;
>
>  			ret =
> -			    vchiq_mmal_port_connect_tunnel(
> -					dev->instance,
> -					camera_port,
> +			    vchiq_mmal_port_connect_tunnel(dev->instance,
> +							   camera_port,
>  					&encode_component->input[0]);
>  			if (ret) {
>  				v4l2_dbg(1, bcm2835_v4l2_debug,
> @@ -1655,8 +1650,8 @@ static int mmal_init(struct bm2835_mmal_dev *dev)
>  	dev->capture.enc_level = V4L2_MPEG_VIDEO_H264_LEVEL_4_0;
>
>  	/* get the preview component ready */
> -	ret = vchiq_mmal_component_init(
> -			dev->instance, "ril.video_render",
> +	ret = vchiq_mmal_component_init(dev->instance,
> +					"ril.video_render",
>  			&dev->component[COMP_PREVIEW]);
>  	if (ret < 0)
>  		goto unreg_camera;
> @@ -1669,8 +1664,8 @@ static int mmal_init(struct bm2835_mmal_dev *dev)
>  	}
>
>  	/* get the image encoder component ready */
> -	ret = vchiq_mmal_component_init(
> -		dev->instance, "ril.image_encode",
> +	ret = vchiq_mmal_component_init(dev->instance,
> +					"ril.image_encode",
>  		&dev->component[COMP_IMAGE_ENCODE]);
>  	if (ret < 0)
>  		goto unreg_preview;
> @@ -1731,15 +1726,13 @@ static int mmal_init(struct bm2835_mmal_dev *dev)
>
>  unreg_vid_encoder:
>  	pr_err("Cleanup: Destroy video encoder\n");
> -	vchiq_mmal_component_finalise(
> -		dev->instance,
> -		dev->component[COMP_VIDEO_ENCODE]);
> +	vchiq_mmal_component_finalise(dev->instance,
> +				      dev->component[COMP_VIDEO_ENCODE]);
>
>  unreg_image_encoder:
>  	pr_err("Cleanup: Destroy image encoder\n");
> -	vchiq_mmal_component_finalise(
> -		dev->instance,
> -		dev->component[COMP_IMAGE_ENCODE]);
> +	vchiq_mmal_component_finalise(dev->instance,
> +				      dev->component[COMP_IMAGE_ENCODE]);
>
>  unreg_preview:
>  	pr_err("Cleanup: Destroy video render\n");
> --
> 2.21.0
>
> --
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