net: macvtap driver

[safe/jmp/linux-2.6] / fs / cifs / xattr.c

diff --git a/fs/cifs/xattr.c b/fs/cifs/xattr.c
index 836c39e..a75afa3 100644 (file)
--- a/fs/cifs/xattr.c
+++ b/fs/cifs/xattr.c
@@ -64,8 +64,9 @@ int cifs_removexattr(struct dentry *direntry, const char *ea_name)
 
        full_path = build_path_from_dentry(direntry);
        if (full_path == NULL) {
+               rc = -ENOMEM;
                FreeXid(xid);
-               return -ENOMEM;
+               return rc;
        }
        if (ea_name == NULL) {
                cFYI(1, ("Null xattr names not supported"));
@@ -118,8 +119,9 @@ int cifs_setxattr(struct dentry *direntry, const char *ea_name,
 
        full_path = build_path_from_dentry(direntry);
        if (full_path == NULL) {
+               rc = -ENOMEM;
                FreeXid(xid);
-               return -ENOMEM;
+               return rc;
        }
        /* return dos attributes as pseudo xattr */
        /* return alt name if available as pseudo attr */
@@ -139,9 +141,9 @@ int cifs_setxattr(struct dentry *direntry, const char *ea_name,
        } else if (strncmp(ea_name, CIFS_XATTR_USER_PREFIX, 5) == 0) {
                if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_XATTR)
                        goto set_ea_exit;
-               if (strncmp(ea_name, CIFS_XATTR_DOS_ATTRIB, 14) == 0) {
+               if (strncmp(ea_name, CIFS_XATTR_DOS_ATTRIB, 14) == 0)
                        cFYI(1, ("attempt to set cifs inode metadata"));
-               }
+
                ea_name += 5; /* skip past user. prefix */
                rc = CIFSSMBSetEA(xid, pTcon, full_path, ea_name, ea_value,
                        (__u16)value_size, cifs_sb->local_nls,
@@ -184,7 +186,8 @@ int cifs_setxattr(struct dentry *direntry, const char *ea_name,
                        cFYI(1, ("set default POSIX ACL not supported"));
 #endif
                } else {
-                       cFYI(1, ("illegal xattr request %s (only user namespace supported)", ea_name));
+                       cFYI(1, ("illegal xattr request %s (only user namespace"
+                                " supported)", ea_name));
                  /* BB what if no namespace prefix? */
                  /* Should we just pass them to server, except for
                  system and perhaps security prefixes? */
@@ -224,8 +227,9 @@ ssize_t cifs_getxattr(struct dentry *direntry, const char *ea_name,
 
        full_path = build_path_from_dentry(direntry);
        if (full_path == NULL) {
+               rc = -ENOMEM;
                FreeXid(xid);
-               return -ENOMEM;
+               return rc;
        }
        /* return dos attributes as pseudo xattr */
        /* return alt name if available as pseudo attr */
@@ -260,21 +264,27 @@ ssize_t cifs_getxattr(struct dentry *direntry, const char *ea_name,
                                cifs_sb->local_nls,
                                cifs_sb->mnt_cifs_flags &
                                        CIFS_MOUNT_MAP_SPECIAL_CHR);
-/*             else if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) {
+#ifdef CONFIG_CIFS_EXPERIMENTAL
+               else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) {
                        __u16 fid;
-                       int oplock = FALSE;
-                       rc = CIFSSMBOpen(xid, pTcon, full_path,
-                                        FILE_OPEN, GENERIC_READ, 0, &fid,
-                                        &oplock, NULL, cifs_sb->local_nls,
-                                        cifs_sb->mnt_cifs_flags &
-                                        CIFS_MOUNT_MAP_SPECIAL_CHR);
-                       if(rc == 0) {
-                               rc = CIFSSMBGetCIFSACL(xid, pTcon, fid,
-                                       ea_value, buf_size,
-                                       ACL_TYPE_ACCESS);
+                       int oplock = 0;
+                       struct cifs_ntsd *pacl = NULL;
+                       __u32 buflen = 0;
+                       if (experimEnabled)
+                               rc = CIFSSMBOpen(xid, pTcon, full_path,
+                                       FILE_OPEN, GENERIC_READ, 0, &fid,
+                                       &oplock, NULL, cifs_sb->local_nls,
+                                       cifs_sb->mnt_cifs_flags &
+                                       CIFS_MOUNT_MAP_SPECIAL_CHR);
+                       /* else rc is EOPNOTSUPP from above */
+
+                       if (rc == 0) {
+                               rc = CIFSSMBGetCIFSACL(xid, pTcon, fid, &pacl,
+                                                     &buflen);
                                CIFSSMBClose(xid, pTcon, fid);
                        }
-               } */  /* BB enable after fixing up return data */
+               }
+#endif /* EXPERIMENTAL */
 #else
                cFYI(1, ("query POSIX ACL not supported yet"));
 #endif /* CONFIG_CIFS_POSIX */
@@ -296,11 +306,10 @@ ssize_t cifs_getxattr(struct dentry *direntry, const char *ea_name,
        } else if (strncmp(ea_name,
                  CIFS_XATTR_SECURITY_PREFIX, XATTR_SECURITY_PREFIX_LEN) == 0) {
                cFYI(1, ("Security xattr namespace not supported yet"));
-       } else {
+       } else
                cFYI(1,
                    ("illegal xattr request %s (only user namespace supported)",
                        ea_name));
-       }
 
        /* We could add an additional check for streams ie
            if proc/fs/cifs/streamstoxattr is set then
@@ -345,8 +354,9 @@ ssize_t cifs_listxattr(struct dentry *direntry, char *data, size_t buf_size)
 
        full_path = build_path_from_dentry(direntry);
        if (full_path == NULL) {
+               rc = -ENOMEM;
                FreeXid(xid);
-               return -ENOMEM;
+               return rc;
        }
        /* return dos attributes as pseudo xattr */
        /* return alt name if available as pseudo attr */