On Wed, 2016-12-28 at 13:00 +0200, Max Gurtovoy wrote: > warning: 'prev_nents' may be used uninitialized in this function What compiler and which version of that compiler reported that 'prev_nents' may be used uninitialized? That warning indicates a compiler bug. Recent versions of gcc do not report that warning. Patches that suppress warnings that are reported by bugs in old compiler versions should not be sent upstream. Bart.��.n��������+%������w��{.n�����{���fk��ܨ}���Ơz�j:+v�����w����ޙ��&�)ߡ�a����z�ޗ���ݢj��w�f