media: dvb-frontends: Fix fall-through warnings for Clang

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>
Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

diff --git a/drivers/media/dvb-frontends/cx24120.c b/drivers/media/dvb-frontends/cx24120.c
index 2464b63..d8acd58 100644 (file)
--- 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 08a8583..903da33 100644 (file)
--- 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 a57470b..d7fc259 100644 (file)
--- 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 39cbb3e..b294ba8 100644 (file)
--- 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: