arch/ia64/kernel/unaligned.c: In function 'ia64_handle_unaligned':
  arch/ia64/kernel/unaligned.c:1385:16: warning: 'u.l' may be used uninitialized in this function [-Wmaybe-uninitialized]
    opcode = (u.l >> IA64_OPCODE_SHIFT) & IA64_OPCODE_MASK;
                ^
Signed-off-by: Matt Fleming <matt@codeblueprint.co.uk>
Signed-off-by: Tony Luck <tony.luck@intel.com>
         * extract the instruction from the bundle given the slot number
         */
        switch (ipsr->ri) {
+             default:
              case 0: u.l = (bundle[0] >>  5); break;
              case 1: u.l = (bundle[0] >> 46) | (bundle[1] << 18); break;
              case 2: u.l = (bundle[1] >> 23); break;