nfs: Fix fall-through warnings for Clang

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@kernel.org>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Gustavo A. R. Silva 2020-11-20 12:26:46 -06:00 committed by Anna Schumaker
parent 93f479d3ad
commit ffb81717a1
5 changed files with 7 additions and 0 deletions

View File

@ -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;
}

View File

@ -609,6 +609,7 @@ found:
* changed. Schedule recovery!
*/
nfs4_schedule_path_down_recovery(pos);
goto out;
default:
goto out;
}

View File

@ -2227,6 +2227,7 @@ 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:
@ -9701,6 +9702,7 @@ 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:

View File

@ -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:

View File

@ -2875,6 +2875,7 @@ 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:
@ -3019,6 +3020,7 @@ 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: