linux-hardening - [PATCH][next] fs/ntfs3: Fix fall-through warnings for Clang

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Date:   Wed, 18 Aug 2021 17:21:46 -0500
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Konstantin Komarov <almaz.alexandrovich@...agon-software.com>
Cc:     ntfs3@...ts.linux.dev, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        linux-hardening@...r.kernel.org
Subject: [PATCH][next] fs/ntfs3: Fix fall-through warnings for Clang

Fix the following fallthrough warnings:

fs/ntfs3/inode.c:1792:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough]
fs/ntfs3/index.c:178:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough]

This helps with the ongoing efforts to globally enable
-Wimplicit-fallthrough for Clang.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
---
 fs/ntfs3/index.c | 1 +
 fs/ntfs3/inode.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/fs/ntfs3/index.c b/fs/ntfs3/index.c
index 6aa9540ece47..76eae60b7fce 100644
--- a/fs/ntfs3/index.c
+++ b/fs/ntfs3/index.c
@@ -175,6 +175,7 @@ static inline NTFS_CMP_FUNC get_cmp_func(const struct INDEX_ROOT *root)
 		default:
 			break;
 		}
+		break;
 	default:
 		break;
 	}
diff --git a/fs/ntfs3/inode.c b/fs/ntfs3/inode.c
index bf51e294432e..a573c6e98cb8 100644
--- a/fs/ntfs3/inode.c
+++ b/fs/ntfs3/inode.c
@@ -1789,6 +1789,7 @@ int ntfs_unlink_inode(struct inode *dir, const struct dentry *dentry)
 	switch (err) {
 	case 0:
 		drop_nlink(inode);
+		break;
 	case -ENOTEMPTY:
 	case -ENOSPC:
 	case -EROFS:
-- 
2.27.0