mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-01 22:54:01 +00:00
smb3: fix stat when special device file and mounted with modefromsid
When mounting with modefromsid mount option, it was possible to get the error on stat of a fifo or char or block device: "cannot stat <filename>: Operation not supported" Special devices can be stored as reparse points by some servers (e.g. Windows NFS server and when using the SMB3.1.1 POSIX Extensions) but when the modefromsid mount option is used the client attempts to get the ACL for the file which requires opening with OPEN_REPARSE_POINT create option. Signed-off-by: Steve French <stfrench@microsoft.com> CC: Stable <stable@vger.kernel.org> Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com> Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
This commit is contained in:
parent
def6e1dc17
commit
3c3317daef
1 changed files with 6 additions and 1 deletions
|
@ -3093,7 +3093,12 @@ get_smb2_acl_by_path(struct cifs_sb_info *cifs_sb,
|
|||
oparms.tcon = tcon;
|
||||
oparms.desired_access = READ_CONTROL;
|
||||
oparms.disposition = FILE_OPEN;
|
||||
oparms.create_options = cifs_create_options(cifs_sb, 0);
|
||||
/*
|
||||
* When querying an ACL, even if the file is a symlink we want to open
|
||||
* the source not the target, and so the protocol requires that the
|
||||
* client specify this flag when opening a reparse point
|
||||
*/
|
||||
oparms.create_options = cifs_create_options(cifs_sb, 0) | OPEN_REPARSE_POINT;
|
||||
oparms.fid = &fid;
|
||||
oparms.reconnect = false;
|
||||
|
||||
|
|
Loading…
Reference in a new issue