1 files changed, 28 insertions, 23 deletions

diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
index c9b4792ae825..a437ec391a01 100644
--- a/fs/cifs/cifsacl.c
+++ b/fs/cifs/cifsacl.c
@@ -30,8 +30,6 @@
 #include "cifs_debug.h"
 
 
-#ifdef CONFIG_CIFS_EXPERIMENTAL
-
 static struct cifs_wksid wksidarr[NUM_WK_SIDS] = {
         {{1, 0, {0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0} }, "null user"},
         {{1, 1, {0, 0, 0, 0, 0, 1}, {0, 0, 0, 0, 0} }, "nobody"},
@@ -560,7 +558,7 @@ static struct cifs_ntsd *get_cifs_acl_by_fid(struct cifs_sb_info *cifs_sb,
         struct tcon_link *tlink = cifs_sb_tlink(cifs_sb);
 
         if (IS_ERR(tlink))
-                return NULL;
+                return ERR_CAST(tlink);
 
         xid = GetXid();
         rc = CIFSSMBGetCIFSACL(xid, tlink_tcon(tlink), fid, &pntsd, pacllen);
@@ -568,7 +566,9 @@ static struct cifs_ntsd *get_cifs_acl_by_fid(struct cifs_sb_info *cifs_sb,
 
         cifs_put_tlink(tlink);
 
-        cFYI(1, "GetCIFSACL rc = %d ACL len %d", rc, *pacllen);
+        cFYI(1, "%s: rc = %d ACL len %d", __func__, rc, *pacllen);
+        if (rc)
+                return ERR_PTR(rc);
         return pntsd;
 }
 
@@ -583,7 +583,7 @@ static struct cifs_ntsd *get_cifs_acl_by_path(struct cifs_sb_info *cifs_sb,
         struct tcon_link *tlink = cifs_sb_tlink(cifs_sb);
 
         if (IS_ERR(tlink))
-                return NULL;
+                return ERR_CAST(tlink);
 
         tcon = tlink_tcon(tlink);
         xid = GetXid();
@@ -591,23 +591,22 @@ static struct cifs_ntsd *get_cifs_acl_by_path(struct cifs_sb_info *cifs_sb,
         rc = CIFSSMBOpen(xid, tcon, path, FILE_OPEN, READ_CONTROL, 0,
                          &fid, &oplock, NULL, cifs_sb->local_nls,
                          cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
-        if (rc) {
-                cERROR(1, "Unable to open file to get ACL");
-                goto out;
+        if (!rc) {
+                rc = CIFSSMBGetCIFSACL(xid, tcon, fid, &pntsd, pacllen);
+                CIFSSMBClose(xid, tcon, fid);
         }
 
-        rc = CIFSSMBGetCIFSACL(xid, tcon, fid, &pntsd, pacllen);
-        cFYI(1, "GetCIFSACL rc = %d ACL len %d", rc, *pacllen);
-
-        CIFSSMBClose(xid, tcon, fid);
- out:
         cifs_put_tlink(tlink);
         FreeXid(xid);
+
+        cFYI(1, "%s: rc = %d ACL len %d", __func__, rc, *pacllen);
+        if (rc)
+                return ERR_PTR(rc);
         return pntsd;
 }
 
 /* Retrieve an ACL from the server */
-static struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *cifs_sb,
+struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *cifs_sb,
                                       struct inode *inode, const char *path,
                                       u32 *pacllen)
 {
@@ -695,7 +694,7 @@ static int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen,
 }
 
 /* Translate the CIFS ACL (simlar to NTFS ACL) for a file into mode bits */
-void
+int
 cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb, struct cifs_fattr *fattr,
                   struct inode *inode, const char *path, const __u16 *pfid)
 {
@@ -711,17 +710,21 @@ cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb, struct cifs_fattr *fattr,
                 pntsd = get_cifs_acl(cifs_sb, inode, path, &acllen);
 
         /* if we can retrieve the ACL, now parse Access Control Entries, ACEs */
-        if (pntsd)
+        if (IS_ERR(pntsd)) {
+                rc = PTR_ERR(pntsd);
+                cERROR(1, "%s: error %d getting sec desc", __func__, rc);
+        } else {
                 rc = parse_sec_desc(pntsd, acllen, fattr);
-        if (rc)
-                cFYI(1, "parse sec desc failed rc = %d", rc);
+                kfree(pntsd);
+                if (rc)
+                        cERROR(1, "parse sec desc failed rc = %d", rc);
+        }
 
-        kfree(pntsd);
-        return;
+        return rc;
 }
 
 /* Convert mode bits to an ACL so we can update the ACL on the server */
-int mode_to_acl(struct inode *inode, const char *path, __u64 nmode)
+int mode_to_cifs_acl(struct inode *inode, const char *path, __u64 nmode)
 {
         int rc = 0;
         __u32 secdesclen = 0;
@@ -736,7 +739,10 @@ int mode_to_acl(struct inode *inode, const char *path, __u64 nmode)
         /* Add three ACEs for owner, group, everyone getting rid of
            other ACEs as chmod disables ACEs and set the security descriptor */
 
-        if (pntsd) {
+        if (IS_ERR(pntsd)) {
+                rc = PTR_ERR(pntsd);
+                cERROR(1, "%s: error %d getting sec desc", __func__, rc);
+        } else {
                 /* allocate memory for the smb header,
                    set security descriptor request security descriptor
                    parameters, and secuirty descriptor itself */
@@ -766,4 +772,3 @@ int mode_to_acl(struct inode *inode, const char *path, __u64 nmode)
 
         return rc;
 }
-#endif /* CONFIG_CIFS_EXPERIMENTAL */