Re: [PATCH] staging: media: atomisp: remove useless breaks

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On Fri, 7 May 2021 10:54:58 +0300
Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx> wrote:

Hi, Sakari!

> Hi Pavel,
> 
> On Thu, May 06, 2021 at 11:09:56PM +0300, Pavel Skripkin wrote:
> > Breaks are not useful after a return, they can
> > simply be removed.
> > 
> > Signed-off-by: Pavel Skripkin <paskripkin@xxxxxxxxx>
> > ---
> >  .../pci/hive_isp_css_common/host/input_system.c       | 11
> > ----------- 1 file changed, 11 deletions(-)
> > 
> > diff --git
> > a/drivers/staging/media/atomisp/pci/hive_isp_css_common/host/input_system.c
> > b/drivers/staging/media/atomisp/pci/hive_isp_css_common/host/input_system.c
> > index 0f5a231672a8..fd82997b11cc 100644 ---
> > a/drivers/staging/media/atomisp/pci/hive_isp_css_common/host/input_system.c
> > +++
> > b/drivers/staging/media/atomisp/pci/hive_isp_css_common/host/input_system.c
> > @@ -904,16 +904,12 @@ static input_system_err_t
> > input_system_configure_channel( break; case
> > INPUT_SYSTEM_SOURCE_TPG: return
> > INPUT_SYSTEM_ERR_PARAMETER_NOT_SUPPORTED;
> > -			break;
> >  		case INPUT_SYSTEM_SOURCE_PRBS:
> >  			return
> > INPUT_SYSTEM_ERR_PARAMETER_NOT_SUPPORTED;
> > -			break;
> >  		case INPUT_SYSTEM_SOURCE_FIFO:
> >  			return
> > INPUT_SYSTEM_ERR_PARAMETER_NOT_SUPPORTED;
> 
> While at it, you could drop the individual return statements, too.
> There seems to be another such location at the end of the patch.
>

Good catch, I will remove them in v2.

Also, I noticed, that there are returns in the end of void functions.
Can I remove them too in v2, or it should be done as another patch? 

> > -			break;
> >  		default:
> >  			return
> > INPUT_SYSTEM_ERR_PARAMETER_NOT_SUPPORTED;
> > -			break;
> >  		}
> >  
> >  		if (error != INPUT_SYSTEM_ERR_NO_ERROR) return
> > error; @@ -995,7 +991,6 @@ static input_system_err_t
> > input_buffer_configuration(void) default:
> >  				config.csi_buffer_flags[port] |=
> > INPUT_SYSTEM_CFG_FLAG_CONFLICT; return
> > INPUT_SYSTEM_ERR_PARAMETER_NOT_SUPPORTED;
> > -				break;
> >  			}
> >  
> >  			// Check acquisition buffer specified but
> > set it later since it has to be unique. @@ -1032,7 +1027,6 @@
> > static input_system_err_t input_buffer_configuration(void) 
> >  			default:
> >  				return
> > INPUT_SYSTEM_ERR_PARAMETER_NOT_SUPPORTED;
> > -				break;
> >  			}
> >  		} else {
> >  			config.csi_buffer_flags[port] =
> > INPUT_SYSTEM_CFG_FLAG_BLOCKED; @@ -1319,7 +1313,6 @@ static
> > input_system_err_t configuration_to_registers(void) 
> >  	default:
> >  		return INPUT_SYSTEM_ERR_PARAMETER_NOT_SUPPORTED;
> > -		break;
> >  
> >  	} // end of switch (source_type)
> >  
> > @@ -1696,16 +1689,12 @@ static input_system_err_t
> > input_system_configure_channel_sensor( break;
> >  	case INPUT_SYSTEM_FIFO_CAPTURE_WITH_COUNTING:
> >  		return INPUT_SYSTEM_ERR_PARAMETER_NOT_SUPPORTED;
> > -		break;
> >  	case INPUT_SYSTEM_XMEM_CAPTURE:
> >  		return INPUT_SYSTEM_ERR_PARAMETER_NOT_SUPPORTED;
> > -		break;
> >  	case INPUT_SYSTEM_XMEM_ACQUIRE:
> >  		return INPUT_SYSTEM_ERR_PARAMETER_NOT_SUPPORTED;
> > -		break;
> >  	default:
> >  		return INPUT_SYSTEM_ERR_PARAMETER_NOT_SUPPORTED;
> > -		break;
> >  	}
> >  	return INPUT_SYSTEM_ERR_NO_ERROR;
> >  }
> 




With regards,
Pavel Skripkin




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