Re: [PATCH 013/141] media: dvb-frontends: Fix fall-through warnings for Clang

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Em Fri, 20 Nov 2020 12:26:09 -0600
"Gustavo A. R. Silva" <gustavoars@xxxxxxxxxx> escreveu:

> In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple
> warnings by explicitly adding multiple break and a return statements
> instead of just letting the code fall through to the next case.

Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
> 
> Link: https://github.com/KSPP/linux/issues/115
> Signed-off-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx>
> ---
>  drivers/media/dvb-frontends/cx24120.c   | 1 +
>  drivers/media/dvb-frontends/dib0090.c   | 2 ++
>  drivers/media/dvb-frontends/drxk_hard.c | 1 +
>  drivers/media/dvb-frontends/m88rs2000.c | 1 +
>  4 files changed, 5 insertions(+)
> 
> diff --git a/drivers/media/dvb-frontends/cx24120.c b/drivers/media/dvb-frontends/cx24120.c
> index 2464b63fe0cf..d8acd582c711 100644
> --- a/drivers/media/dvb-frontends/cx24120.c
> +++ b/drivers/media/dvb-frontends/cx24120.c
> @@ -363,6 +363,7 @@ static void cx24120_check_cmd(struct cx24120_state *state, u8 id)
>  	case CMD_DISEQC_BURST:
>  		cx24120_msg_mpeg_output_global_config(state, 0);
>  		/* Old driver would do a msleep(100) here */
> +		return;
>  	default:
>  		return;
>  	}
> diff --git a/drivers/media/dvb-frontends/dib0090.c b/drivers/media/dvb-frontends/dib0090.c
> index 08a85831e917..903da33642df 100644
> --- a/drivers/media/dvb-frontends/dib0090.c
> +++ b/drivers/media/dvb-frontends/dib0090.c
> @@ -1765,6 +1765,8 @@ static int dib0090_dc_offset_calibration(struct dib0090_state *state, enum front
>  		dib0090_write_reg(state, 0x1f, 0x7);
>  		*tune_state = CT_TUNER_START;	/* reset done -> real tuning can now begin */
>  		state->calibrate &= ~DC_CAL;
> +		break;
> +
>  	default:
>  		break;
>  	}
> diff --git a/drivers/media/dvb-frontends/drxk_hard.c b/drivers/media/dvb-frontends/drxk_hard.c
> index a57470bf71bf..d7fc2595f15b 100644
> --- a/drivers/media/dvb-frontends/drxk_hard.c
> +++ b/drivers/media/dvb-frontends/drxk_hard.c
> @@ -3294,6 +3294,7 @@ static int dvbt_sc_command(struct drxk_state *state,
>  	case OFDM_SC_RA_RAM_CMD_USER_IO:
>  	case OFDM_SC_RA_RAM_CMD_GET_OP_PARAM:
>  		status = read16(state, OFDM_SC_RA_RAM_PARAM0__A, &(param0));
> +		break;
>  		/* All commands yielding 0 results */
>  	case OFDM_SC_RA_RAM_CMD_SET_ECHO_TIMING:
>  	case OFDM_SC_RA_RAM_CMD_SET_TIMER:
> diff --git a/drivers/media/dvb-frontends/m88rs2000.c b/drivers/media/dvb-frontends/m88rs2000.c
> index 39cbb3ea1c9d..b294ba87e934 100644
> --- a/drivers/media/dvb-frontends/m88rs2000.c
> +++ b/drivers/media/dvb-frontends/m88rs2000.c
> @@ -390,6 +390,7 @@ static int m88rs2000_tab_set(struct m88rs2000_state *state,
>  		case 0xff:
>  			if (tab[i].reg == 0xaa && tab[i].val == 0xff)
>  				return 0;
> +			break;
>  		case 0x00:
>  			break;
>  		default:



Thanks,
Mauro




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