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
  ...

6 files changed, 8 insertions, 7 deletions

diff --git a/fs/xfs/scrub/agheader.c b/fs/xfs/scrub/agheader.c
index 7a2f9b5f2db5..f96e84793cc9 100644
--- a/fs/xfs/scrub/agheader.c
+++ b/fs/xfs/scrub/agheader.c
@@ -86,6 +86,7 @@ xchk_superblock(
 	case -ENOSYS:
 	case -EFBIG:
 		error = -EFSCORRUPTED;
+		fallthrough;
 	default:
 		break;
 	}
diff --git a/fs/xfs/scrub/bmap.c b/fs/xfs/scrub/bmap.c
index b5ebf1d1b4db..77d5c4a0f09f 100644
--- a/fs/xfs/scrub/bmap.c
+++ b/fs/xfs/scrub/bmap.c
@@ -271,7 +271,7 @@ xchk_bmap_iextent_xref(
 	case XFS_DATA_FORK:
 		if (xfs_is_reflink_inode(info->sc->ip))
 			break;
-		/* fall through */
+		fallthrough;
 	case XFS_ATTR_FORK:
 		xchk_xref_is_not_shared(info->sc, agbno,
 				irec->br_blockcount);
diff --git a/fs/xfs/scrub/btree.c b/fs/xfs/scrub/btree.c
index a94bd8122c60..bd1172358964 100644
--- a/fs/xfs/scrub/btree.c
+++ b/fs/xfs/scrub/btree.c
@@ -44,7 +44,7 @@ __xchk_btree_process_error(
 		/* Note the badness but don't abort. */
 		sc->sm->sm_flags |= errflag;
 		*error = 0;
-		/* fall through */
+		fallthrough;
 	default:
 		if (cur->bc_flags & XFS_BTREE_ROOT_IN_INODE)
 			trace_xchk_ifork_btree_op_error(sc, cur, level,
diff --git a/fs/xfs/scrub/common.c b/fs/xfs/scrub/common.c
index be38c960da85..6cc92291c46f 100644
--- a/fs/xfs/scrub/common.c
+++ b/fs/xfs/scrub/common.c
@@ -83,7 +83,7 @@ __xchk_process_error(
 		/* Note the badness but don't abort. */
 		sc->sm->sm_flags |= errflag;
 		*error = 0;
-		/* fall through */
+		fallthrough;
 	default:
 		trace_xchk_op_error(sc, agno, bno, *error,
 				ret_ip);
@@ -136,7 +136,7 @@ __xchk_fblock_process_error(
 		/* Note the badness but don't abort. */
 		sc->sm->sm_flags |= errflag;
 		*error = 0;
-		/* fall through */
+		fallthrough;
 	default:
 		trace_xchk_file_op_error(sc, whichfork, offset, *error,
 				ret_ip);
@@ -696,7 +696,7 @@ xchk_get_inode(
 		if (error)
 			return -ENOENT;
 		error = -EFSCORRUPTED;
-		/* fall through */
+		fallthrough;
 	default:
 		trace_xchk_op_error(sc,
 				XFS_INO_TO_AGNO(mp, sc->sm->sm_ino),
diff --git a/fs/xfs/scrub/dabtree.c b/fs/xfs/scrub/dabtree.c
index 653f3280e1c1..9f0dbb47c82c 100644
--- a/fs/xfs/scrub/dabtree.c
+++ b/fs/xfs/scrub/dabtree.c
@@ -47,7 +47,7 @@ xchk_da_process_error(
 		/* Note the badness but don't abort. */
 		sc->sm->sm_flags |= XFS_SCRUB_OFLAG_CORRUPT;
 		*error = 0;
-		/* fall through */
+		fallthrough;
 	default:
 		trace_xchk_file_op_error(sc, ds->dargs.whichfork,
 				xfs_dir2_da_to_db(ds->dargs.geo,
diff --git a/fs/xfs/scrub/repair.c b/fs/xfs/scrub/repair.c
index c2857d854c83..b8202dd08939 100644
--- a/fs/xfs/scrub/repair.c
+++ b/fs/xfs/scrub/repair.c
@@ -947,7 +947,7 @@ xrep_ino_dqattach(
 			xrep_force_quotacheck(sc, XFS_DQTYPE_GROUP);
 		if (XFS_IS_PQUOTA_ON(sc->mp) && !sc->ip->i_pdquot)
 			xrep_force_quotacheck(sc, XFS_DQTYPE_PROJ);
-		/* fall through */
+		fallthrough;
 	case -ESRCH:
 		error = 0;
 		break;