diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 7bbb0cb6169614fadbb31db0fbcb82d4a88f6a16..2a6e9816dc22609b14a9a0945b49dbcf07ccd48a 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -888,7 +888,8 @@ int smb3_validate_negotiate(const unsigned int xid, struct cifs_tcon *tcon)
 		 * not supported error. Client should accept it.
 		 */
 		cifs_dbg(VFS, "Server does not support validate negotiate\n");
-		return 0;
+		rc = 0;
+		goto out_free_inbuf;
 	} else if (rc != 0) {
 		cifs_dbg(VFS, "validate protocol negotiate failed: %d\n", rc);
 		rc = -EIO;