diff mbox series

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

Message ID 4e82e61c94f320aae692aaa0e55350049e17168f.1605896059.git.gustavoars@kernel.org (mailing list archive)
State New, archived
Headers show
Series Fix fall-through warnings for Clang | expand

Commit Message

Gustavo A. R. Silva Nov. 20, 2020, 6:26 p.m. UTC
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.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
---
 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(+)

Comments

Mauro Carvalho Chehab Nov. 22, 2020, 4:31 p.m. UTC | #1
Em Fri, 20 Nov 2020 12:26:09 -0600
"Gustavo A. R. Silva" <gustavoars@kernel.org> 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@kernel.org>
> 
> Link: https://github.com/KSPP/linux/issues/115
> Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
> ---
>  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
Gustavo A. R. Silva Nov. 23, 2020, 10:44 p.m. UTC | #2
On Sun, Nov 22, 2020 at 05:31:16PM +0100, Mauro Carvalho Chehab wrote:
> Em Fri, 20 Nov 2020 12:26:09 -0600
> "Gustavo A. R. Silva" <gustavoars@kernel.org> 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@kernel.org>

Thanks, Mauro.
--
Gustavo
diff mbox series

Patch

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: