linux-kernel - [PATCH 016/141] nfsd: Fix fall-through warnings for Clang

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Date:   Fri, 20 Nov 2020 12:26:40 -0600
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     "J. Bruce Fields" <bfields@...ldses.org>,
        Chuck Lever <chuck.lever@...cle.com>
Cc:     linux-nfs@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>
Subject: [PATCH 016/141] nfsd: Fix fall-through warnings for Clang

In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple
warnings by explicitly adding a couple of break 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@...nel.org>
---
 fs/nfsd/nfs4state.c | 1 +
 fs/nfsd/nfsctl.c    | 1 +
 2 files changed, 2 insertions(+)

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index d7f27ed6b794..cdab0d5be186 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3113,6 +3113,7 @@ nfsd4_exchange_id(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 			goto out_nolock;
 		}
 		new->cl_mach_cred = true;
+		break;
 	case SP4_NONE:
 		break;
 	default:				/* checked by xdr code */
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index f6d5d783f4a4..9a3bb1e217f9 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -1165,6 +1165,7 @@ static struct inode *nfsd_get_inode(struct super_block *sb, umode_t mode)
 		inode->i_fop = &simple_dir_operations;
 		inode->i_op = &simple_dir_inode_operations;
 		inc_nlink(inode);
+		break;
 	default:
 		break;
 	}
-- 
2.27.0