diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 3610e99..d79ce2e 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -50,7 +50,7 @@
 #define CIFS_MAGIC_NUMBER 0xFF534D42	/* the first four bytes of SMB PDUs */
 
 #ifdef CONFIG_CIFS_QUOTA
-static struct quotactl_ops cifs_quotactl_ops;
+static const struct quotactl_ops cifs_quotactl_ops;
 #endif /* QUOTA */
 
 int cifsFYI = 0;
@@ -517,7 +517,7 @@
 	return rc;
 }
 
-static struct quotactl_ops cifs_quotactl_ops = {
+static const struct quotactl_ops cifs_quotactl_ops = {
 	.set_xquota	= cifs_xquota_set,
 	.get_xquota	= cifs_xquota_get,
 	.set_xstate	= cifs_xstate_set,