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| author | Marios Makassikis <mmakassikis@freebox.fr> | 2024-04-15 16:12:48 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-04-27 18:07:18 +0300 |
| commit | 4687606d94deaccce06c64655ee82989acff5512 (patch) | |
| tree | ec972cce01748db574dd7def28b4cca6153d1895 | |
| parent | 21ff9d7d223c5c19cb4334009e4c0c83a2f4d674 (diff) | |
| download | linux-4687606d94deaccce06c64655ee82989acff5512.tar.xz | |
ksmbd: clear RENAME_NOREPLACE before calling vfs_rename
commit 4973b04d3ea577db80c501c5f14e68ec69fe1794 upstream.
File overwrite case is explicitly handled, so it is not necessary to
pass RENAME_NOREPLACE to vfs_rename.
Clearing the flag fixes rename operations when the share is a ntfs-3g
mount. The latter uses an older version of fuse with no support for
flags in the ->rename op.
Cc: stable@vger.kernel.org
Signed-off-by: Marios Makassikis <mmakassikis@freebox.fr>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | fs/smb/server/vfs.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/smb/server/vfs.c b/fs/smb/server/vfs.c index fe2c80ea2e47..a4c99ec38fac 100644 --- a/fs/smb/server/vfs.c +++ b/fs/smb/server/vfs.c @@ -746,10 +746,15 @@ retry: goto out4; } + /* + * explicitly handle file overwrite case, for compatibility with + * filesystems that may not support rename flags (e.g: fuse) + */ if ((flags & RENAME_NOREPLACE) && d_is_positive(new_dentry)) { err = -EEXIST; goto out4; } + flags &= ~(RENAME_NOREPLACE); if (old_child == trap) { err = -EINVAL; |