1 files changed, 24 insertions, 9 deletions

diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
index c819b0bd491a..7ff866dbb89e 100644
--- a/fs/cifs/cifsacl.c
+++ b/fs/cifs/cifsacl.c
@@ -865,8 +865,8 @@ static int build_sec_desc(struct cifs_ntsd *pntsd, struct cifs_ntsd *pnntsd,
         return rc;
 }
 
-static struct cifs_ntsd *get_cifs_acl_by_fid(struct cifs_sb_info *cifs_sb,
-                __u16 fid, u32 *pacllen)
+struct cifs_ntsd *get_cifs_acl_by_fid(struct cifs_sb_info *cifs_sb,
+                const struct cifs_fid *cifsfid, u32 *pacllen)
 {
         struct cifs_ntsd *pntsd = NULL;
         unsigned int xid;
@@ -877,7 +877,8 @@ static struct cifs_ntsd *get_cifs_acl_by_fid(struct cifs_sb_info *cifs_sb,
                 return ERR_CAST(tlink);
 
         xid = get_xid();
-        rc = CIFSSMBGetCIFSACL(xid, tlink_tcon(tlink), fid, &pntsd, pacllen);
+        rc = CIFSSMBGetCIFSACL(xid, tlink_tcon(tlink), cifsfid->netfid, &pntsd,
+                                pacllen);
         free_xid(xid);
 
         cifs_put_tlink(tlink);
@@ -946,7 +947,7 @@ struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *cifs_sb,
         if (!open_file)
                 return get_cifs_acl_by_path(cifs_sb, path, pacllen);
 
-        pntsd = get_cifs_acl_by_fid(cifs_sb, open_file->fid.netfid, pacllen);
+        pntsd = get_cifs_acl_by_fid(cifs_sb, &open_file->fid, pacllen);
         cifsFileInfo_put(open_file);
         return pntsd;
 }
@@ -1006,19 +1007,31 @@ out:
 /* Translate the CIFS ACL (simlar to NTFS ACL) for a file into mode bits */
 int
 cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb, struct cifs_fattr *fattr,
-                  struct inode *inode, const char *path, const __u16 *pfid)
+                  struct inode *inode, const char *path,
+                  const struct cifs_fid *pfid)
 {
         struct cifs_ntsd *pntsd = NULL;
         u32 acllen = 0;
         int rc = 0;
+        struct tcon_link *tlink = cifs_sb_tlink(cifs_sb);
+        struct cifs_tcon *tcon;
 
         cifs_dbg(NOISY, "converting ACL to mode for %s\n", path);
 
-        if (pfid)
-                pntsd = get_cifs_acl_by_fid(cifs_sb, *pfid, &acllen);
-        else
-                pntsd = get_cifs_acl(cifs_sb, inode, path, &acllen);
+        if (IS_ERR(tlink))
+                return PTR_ERR(tlink);
+        tcon = tlink_tcon(tlink);
 
+        if (pfid && (tcon->ses->server->ops->get_acl_by_fid))
+                pntsd = tcon->ses->server->ops->get_acl_by_fid(cifs_sb, pfid,
+                                                          &acllen);
+        else if (tcon->ses->server->ops->get_acl)
+                pntsd = tcon->ses->server->ops->get_acl(cifs_sb, inode, path,
+                                                        &acllen);
+        else {
+                cifs_put_tlink(tlink);
+                return -EOPNOTSUPP;
+        }
         /* if we can retrieve the ACL, now parse Access Control Entries, ACEs */
         if (IS_ERR(pntsd)) {
                 rc = PTR_ERR(pntsd);
@@ -1030,6 +1043,8 @@ cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb, struct cifs_fattr *fattr,
                         cifs_dbg(VFS, "parse sec desc failed rc = %d\n", rc);
         }
 
+        cifs_put_tlink(tlink);
+
         return rc;
 }