Merge tag 'fallthrough-fixes-clang-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux

Pull fallthrough fixes from Gustavo Silva:
 "Fix many fall-through warnings when building with Clang 12.0.0 and
  '-Wimplicit-fallthrough' so that we at some point will be able to
  enable that warning by default"

* tag 'fallthrough-fixes-clang-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux: (26 commits)
  rxrpc: Fix fall-through warnings for Clang
  drm/nouveau/clk: Fix fall-through warnings for Clang
  drm/nouveau/therm: Fix fall-through warnings for Clang
  drm/nouveau: Fix fall-through warnings for Clang
  xfs: Fix fall-through warnings for Clang
  xfrm: Fix fall-through warnings for Clang
  tipc: Fix fall-through warnings for Clang
  sctp: Fix fall-through warnings for Clang
  rds: Fix fall-through warnings for Clang
  net/packet: Fix fall-through warnings for Clang
  net: netrom: Fix fall-through warnings for Clang
  ide: Fix fall-through warnings for Clang
  hwmon: (max6621) Fix fall-through warnings for Clang
  hwmon: (corsair-cpro) Fix fall-through warnings for Clang
  firewire: core: Fix fall-through warnings for Clang
  braille_console: Fix fall-through warnings for Clang
  ipv4: Fix fall-through warnings for Clang
  qlcnic: Fix fall-through warnings for Clang
  bnxt_en: Fix fall-through warnings for Clang
  netxen_nic: Fix fall-through warnings for Clang
  ...

Author: torvalds

drivers/accessibility/braille/braille_console.c

@@ -246,6 +246,7 @@ static int keyboard_notifier_call(struct notifier_block *blk,
 				beep(440);
 		}
 	}
+		break;
 	case KBD_UNBOUND_KEYCODE:
 	case KBD_UNICODE:
 	case KBD_KEYSYM:

drivers/atm/fore200e.c

@@ -420,6 +420,7 @@ fore200e_shutdown(struct fore200e* fore200e)
 	/* XXX shouldn't we *start* by deregistering the device? */
 	atm_dev_deregister(fore200e->atm_dev);
 
+	fallthrough;
     case FORE200E_STATE_BLANK:
 	/* nothing to do for that state */
 	break;

drivers/firewire/core-topology.c

@@ -58,6 +58,7 @@ static u32 *count_ports(u32 *sid, int *total_port_count, int *child_port_count)
 		case SELFID_PORT_PARENT:
 		case SELFID_PORT_NCONN:
 			(*total_port_count)++;
+			fallthrough;
 		case SELFID_PORT_NONE:
 			break;
 		}

drivers/gpu/drm/nouveau/nouveau_bo.c

@@ -440,6 +440,7 @@ nouveau_bo_pin(struct nouveau_bo *nvbo, uint32_t domain, bool contig)
 			break;
 		case TTM_PL_TT:
 			error |= !(domain & NOUVEAU_GEM_DOMAIN_GART);
+			break;
 		default:
 			break;
 		}

drivers/gpu/drm/nouveau/nouveau_connector.c

@@ -157,6 +157,7 @@ nouveau_conn_atomic_set_property(struct drm_connector *connector,
 			default:
 				break;
 			}
+			break;
 		case DRM_MODE_SCALE_FULLSCREEN:
 		case DRM_MODE_SCALE_CENTER:
 		case DRM_MODE_SCALE_ASPECT:

drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv50.c

@@ -313,6 +313,7 @@ nv50_clk_read(struct nvkm_clk *base, enum nv_clk_src src)
 		default:
 			break;
 		}
+		break;
 	default:
 		break;
 	}

drivers/gpu/drm/nouveau/nvkm/subdev/therm/gf119.c

@@ -41,6 +41,7 @@ pwm_info(struct nvkm_therm *therm, int line)
 		default:
 			break;
 		}
+		break;
 	default:
 		break;
 	}

drivers/hwmon/corsair-cpro.c

@@ -310,6 +310,7 @@ static int ccp_write(struct device *dev, enum hwmon_sensor_types type,
 		default:
 			break;
 		}
+		break;
 	default:
 		break;
 	}

drivers/hwmon/max6621.c

@@ -156,7 +156,7 @@ max6621_is_visible(const void *data, enum hwmon_sensor_types type, u32 attr,
 		default:
 			break;
 		}
-
+		break;
 	default:
 		break;
 	}

drivers/net/ethernet/broadcom/bnxt/bnxt.c

@@ -2184,6 +2184,7 @@ static int bnxt_hwrm_handler(struct bnxt *bp, struct tx_cmp *txcmp)
 	case CMPL_BASE_TYPE_HWRM_ASYNC_EVENT:
 		bnxt_async_event_process(bp,
 					 (struct hwrm_async_event_cmpl *)txcmp);
+		break;
 
 	default:
 		break;