Hi Hans,
On Thu, Aug 10, 2017 at 03:02:46PM +0200, Hans Verkuil wrote:
> > @@ -534,25 +534,20 @@ static int gb_lights_light_v4l2_register(struct
> > gb_light *light)
> > {
> > struct gb_connection *connection = get_conn_from_light(light);
> > struct device *dev = &connection->bundle->dev;
> > - struct v4l2_flash_config *sd_cfg;
> > + struct v4l2_flash_config sd_cfg = { {0} };
>
> Just use '= {};'
This is GCC specific whereas { {0} } is standard C. The latter is thus
obviously better IMO.
>
> > struct led_classdev_flash *fled;
> > struct led_classdev *iled = NULL;
> > struct gb_channel *channel_torch, *channel_ind, *channel_flash;
> > - int ret = 0;
> > -
> > - sd_cfg = kcalloc(1, sizeof(*sd_cfg), GFP_KERNEL);
> > - if (!sd_cfg)
> > - return -ENOMEM;
> >
> > channel_torch = get_channel_from_mode(light, GB_CHANNEL_MODE_TORCH);
> > if (channel_torch)
> > __gb_lights_channel_v4l2_config(&channel_torch->intensity_uA,
> > - &sd_cfg->torch_intensity);
> > + &sd_cfg.torch_intensity);
> >
> > channel_ind = get_channel_from_mode(light, GB_CHANNEL_MODE_INDICATOR);
> > if (channel_ind) {
> > __gb_lights_channel_v4l2_config(&channel_ind->intensity_uA,
> > - &sd_cfg->indicator_intensity);
> > + &sd_cfg.indicator_intensity);
> > iled = &channel_ind->fled.led_cdev;
> > }
> >
> > @@ -561,27 +556,21 @@ static int gb_lights_light_v4l2_register(struct
> > gb_light *light)
> >
> > fled = &channel_flash->fled;
> >
> > - snprintf(sd_cfg->dev_name, sizeof(sd_cfg->dev_name), "%s", light->name);
> > + snprintf(sd_cfg.dev_name, sizeof(sd_cfg.dev_name), "%s", light->name);
> >
> > /* Set the possible values to faults, in our case all faults */
> > - sd_cfg->flash_faults = LED_FAULT_OVER_VOLTAGE | LED_FAULT_TIMEOUT |
> > + sd_cfg.flash_faults = LED_FAULT_OVER_VOLTAGE | LED_FAULT_TIMEOUT |
> > LED_FAULT_OVER_TEMPERATURE | LED_FAULT_SHORT_CIRCUIT |
> > LED_FAULT_OVER_CURRENT | LED_FAULT_INDICATOR |
> > LED_FAULT_UNDER_VOLTAGE | LED_FAULT_INPUT_VOLTAGE |
> > LED_FAULT_LED_OVER_TEMPERATURE;
> >
> > light->v4l2_flash = v4l2_flash_init(dev, NULL, fled, iled,
> > - &v4l2_flash_ops, sd_cfg);
> > - if (IS_ERR_OR_NULL(light->v4l2_flash)) {
> > - ret = PTR_ERR(light->v4l2_flash);
> > - goto out_free;
> > - }
> > + &v4l2_flash_ops, &sd_cfg);
> > + if (IS_ERR_OR_NULL(light->v4l2_flash))
>
> Just IS_ERR since v4l2_flash_init() never returns NULL.
Will fix.
>
> > + return PTR_ERR(light->v4l2_flash);
> >
> > - return ret;
> > -
> > -out_free:
> > - kfree(sd_cfg);
> > - return ret;
> > + return 0;
> > }
> >
> > static void gb_lights_light_v4l2_unregister(struct gb_light *light)
> >
>
> After those two changes:
>
> Acked-by: Hans Verkuil <hans.verk...@cisco.com>
--
Regards,
Sakari Ailus
e-mail: sakari.ai...@iki.fi XMPP: sai...@retiisi.org.uk
