From: Christian Brauner <brauner@kernel.org> To: Steve French <stfrench@microsoft.com>, Christoph Hellwig <hch@infradead.org>, Namjae Jeon <namjae.jeon@samsung.com>, linux-cifs@vger.kernel.org Cc: Hyunchul Lee <hyc.lee@gmail.com>, Sergey Senozhatsky <senozhatsky@chromium.org>, Christian Brauner <christian.brauner@ubuntu.com> Subject: [PATCH 10/11] ksmbd: remove setattr preparations in set_file_basic_info() Date: Mon, 23 Aug 2021 17:13:56 +0200 [thread overview] Message-ID: <20210823151357.471691-11-brauner@kernel.org> (raw) In-Reply-To: <20210823151357.471691-1-brauner@kernel.org> From: Christian Brauner <christian.brauner@ubuntu.com> Permission checking and copying over ownership information is the task of the underlying filesystem not ksmbd. The order is also wrong here. This modifies the inode before notify_change(). If notify_change() fails this will have changed ownership nonetheless. All of this is unnecessary though since the underlying filesystem's ->setattr handler will do all this (if required) by itself. Cc: Steve French <stfrench@microsoft.com> Cc: Christoph Hellwig <hch@infradead.org> Cc: Namjae Jeon <namjae.jeon@samsung.com> Cc: Hyunchul Lee <hyc.lee@gmail.com> Cc: Sergey Senozhatsky <senozhatsky@chromium.org> Cc: linux-cifs@vger.kernel.org Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com> --- fs/ksmbd/smb2pdu.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c index 1148e52a4037..059764753aaa 100644 --- a/fs/ksmbd/smb2pdu.c +++ b/fs/ksmbd/smb2pdu.c @@ -5521,12 +5521,7 @@ static int set_file_basic_info(struct ksmbd_file *fp, char *buf, if (IS_IMMUTABLE(inode) || IS_APPEND(inode)) return -EACCES; - rc = setattr_prepare(user_ns, dentry, &attrs); - if (rc) - return -EINVAL; - inode_lock(inode); - setattr_copy(user_ns, inode, &attrs); attrs.ia_valid &= ~ATTR_CTIME; rc = notify_change(user_ns, dentry, &attrs, NULL); inode_unlock(inode); -- 2.30.2
next prev parent reply other threads:[~2021-08-23 15:15 UTC|newest] Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <CGME20210823030840epcas1p24b226d445a683012925efd81a72ecb6d@epcas1p2.samsung.com> 2021-08-23 2:58 ` [PATCH v8 00/13] ksmbd: introduce new SMB3 kernel server Namjae Jeon [not found] ` <CGME20210823030841epcas1p1a811d4a6aec75c09581a9b0fb575d23e@epcas1p1.samsung.com> 2021-08-23 2:58 ` [PATCH v8 01/13] ksmbd: add document Namjae Jeon [not found] ` <CGME20210823030842epcas1p27cdeb782776f6659826110cd9a3524d4@epcas1p2.samsung.com> 2021-08-23 2:58 ` [PATCH v8 02/13] ksmbd: add server handler Namjae Jeon [not found] ` <CGME20210823030843epcas1p4502dad130066a74f08745c849b981112@epcas1p4.samsung.com> 2021-08-23 2:58 ` [PATCH v8 03/13] ksmbd: add tcp transport layer Namjae Jeon [not found] ` <CGME20210823030844epcas1p2a9dc2c02d32df86e9eb3c2af975c7d81@epcas1p2.samsung.com> 2021-08-23 2:58 ` [PATCH v8 04/13] ksmbd: add ipc " Namjae Jeon [not found] ` <CGME20210823030845epcas1p3ff50078868ed215c43898356c9248d24@epcas1p3.samsung.com> 2021-08-23 2:58 ` [PATCH v8 05/13] ksmbd: add rdma " Namjae Jeon [not found] ` <CGME20210823030845epcas1p2c72588cd470ca46463fd46b42b7b9603@epcas1p2.samsung.com> 2021-08-23 2:58 ` [PATCH v8 06/13] ksmbd: add a utility code that tracks (and caches) sessions data Namjae Jeon [not found] ` <CGME20210823030846epcas1p35bd3c665d8afd6205c617840e709afc7@epcas1p3.samsung.com> 2021-08-23 2:58 ` [PATCH v8 07/13] ksmbd: add authentication Namjae Jeon [not found] ` <CGME20210823030849epcas1p39035b8f9ec5cdc87dc7beca86590932c@epcas1p3.samsung.com> 2021-08-23 2:58 ` [PATCH v8 10/13] ksmbd: add oplock/lease cache mechanism Namjae Jeon [not found] ` <CGME20210823030850epcas1p1eea7803d1ca2e854a0199f4c83cd8190@epcas1p1.samsung.com> 2021-08-23 2:58 ` [PATCH v8 11/13] ksmbd: add file operations Namjae Jeon [not found] ` <CGME20210823030851epcas1p2d141386b64cd9039121a9f6a5074a362@epcas1p2.samsung.com> 2021-08-23 2:58 ` [PATCH v8 12/13] ksmbd: add Kconfig and Makefile Namjae Jeon [not found] ` <CGME20210823030851epcas1p3df6319948e331e2e0225adba4e81e660@epcas1p3.samsung.com> 2021-08-23 2:58 ` [PATCH v8 13/13] MAINTAINERS: add ksmbd kernel server Namjae Jeon 2021-08-23 15:13 ` [PATCH 00/11] ksmbd: various fixes Christian Brauner 2021-08-23 15:13 ` [PATCH 01/11] ksmbd: fix lookup on idmapped mounts Christian Brauner 2021-08-23 15:13 ` [PATCH 02/11] ksmbd: fix translation in smb2_populate_readdir_entry() Christian Brauner 2021-08-23 15:13 ` [PATCH 03/11] ksmbd: fix translation in create_posix_rsp_buf() Christian Brauner 2021-08-23 15:13 ` [PATCH 04/11] smb2pdu: fix translation in ksmbd_acls_fattr() Christian Brauner 2021-08-23 15:13 ` [PATCH 05/11] ksmbd: fix translation in acl entries Christian Brauner 2021-08-23 15:13 ` [PATCH 06/11] ksmbd: fix subauth 0 handling in sid_to_id() Christian Brauner 2021-08-24 8:13 ` Namjae Jeon 2021-08-24 11:37 ` Christian Brauner 2021-08-23 15:13 ` [PATCH 07/11] ksmbd: fix translation " Christian Brauner 2021-08-23 15:13 ` [PATCH 08/11] ndr: fix translation in ndr_encode_posix_acl() Christian Brauner 2021-08-23 15:13 ` [PATCH 09/11] ksmbd: ensure error is surfaced in set_file_basic_info() Christian Brauner 2021-08-23 15:13 ` Christian Brauner [this message] 2021-09-01 12:47 ` [PATCH 10/11] ksmbd: remove setattr preparations " Namjae Jeon 2021-09-02 13:43 ` Christian Brauner 2021-10-01 18:51 ` Marios Makassikis 2021-10-02 0:41 ` Namjae Jeon 2021-10-02 19:29 ` Marios Makassikis 2021-10-03 0:12 ` Namjae Jeon 2021-08-23 15:13 ` [PATCH 11/11] ksmbd: defer notify_change() call Christian Brauner 2021-08-24 8:20 ` Namjae Jeon 2021-08-24 11:36 ` Christian Brauner 2021-09-01 12:53 ` Namjae Jeon 2021-09-02 13:42 ` Christian Brauner
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