In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple warnings by explicitly add multiple break/goto/return/fallthrough 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@xxxxxxxxxx> --- fs/nfs/nfs3acl.c | 1 + fs/nfs/nfs4client.c | 1 + fs/nfs/nfs4proc.c | 2 ++ fs/nfs/nfs4state.c | 1 + fs/nfs/pnfs.c | 2 ++ 5 files changed, 7 insertions(+) diff --git a/fs/nfs/nfs3acl.c b/fs/nfs/nfs3acl.c index c6c863382f37..68e206cf4c4e 100644 --- a/fs/nfs/nfs3acl.c +++ b/fs/nfs/nfs3acl.c @@ -111,6 +111,7 @@ struct posix_acl *nfs3_get_acl(struct inode *inode, int type) fallthrough; case -ENOTSUPP: status = -EOPNOTSUPP; + goto getout; default: goto getout; } diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c index be7915c861ce..4bdd256b725a 100644 --- a/fs/nfs/nfs4client.c +++ b/fs/nfs/nfs4client.c @@ -609,6 +609,7 @@ int nfs40_walk_client_list(struct nfs_client *new, * changed. Schedule recovery! */ nfs4_schedule_path_down_recovery(pos); + goto out; default: goto out; } diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 9e0ca9b2b210..98c9f3197647 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -2229,6 +2229,7 @@ static int nfs4_handle_delegation_recall_error(struct nfs_server *server, struct default: printk(KERN_ERR "NFS: %s: unhandled error " "%d.\n", __func__, err); + fallthrough; case 0: case -ENOENT: case -EAGAIN: @@ -9698,6 +9699,7 @@ nfs4_layoutcommit_done(struct rpc_task *task, void *calldata) case -NFS4ERR_BADLAYOUT: /* no layout */ case -NFS4ERR_GRACE: /* loca_recalim always false */ task->tk_status = 0; + break; case 0: break; default: diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 4bf10792cb5b..3a51351bdc6a 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -1125,6 +1125,7 @@ static void nfs_increment_seqid(int status, struct nfs_seqid *seqid) " sequence-id error on an" " unconfirmed sequence %p!\n", seqid->sequence); + return; case -NFS4ERR_STALE_CLIENTID: case -NFS4ERR_STALE_STATEID: case -NFS4ERR_BAD_STATEID: diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index 0e50b9d45c32..7f71f4f8347f 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -2824,6 +2824,7 @@ pnfs_do_write(struct nfs_pageio_descriptor *desc, switch (trypnfs) { case PNFS_NOT_ATTEMPTED: pnfs_write_through_mds(desc, hdr); + break; case PNFS_ATTEMPTED: break; case PNFS_TRY_AGAIN: @@ -2968,6 +2969,7 @@ pnfs_do_read(struct nfs_pageio_descriptor *desc, struct nfs_pgio_header *hdr) switch (trypnfs) { case PNFS_NOT_ATTEMPTED: pnfs_read_through_mds(desc, hdr); + break; case PNFS_ATTEMPTED: break; case PNFS_TRY_AGAIN: -- 2.27.0