Index: malloc.c
===================================================================
*** malloc.c	(revision 203047)
--- malloc.c	(working copy)
***************
*** 3793,3812 ****
--- 3793,3813 ----
  #ifdef MALLOC_MAG
  		if (__isthreaded && opt_mag) {
  			mag_rack_t *rack = mag_rack;
  			if (rack == NULL) {
  				rack = mag_rack_create(arena);
  				if (rack == NULL) {
  					malloc_spin_lock(&arena->lock);
  					arena_dalloc_small(arena, chunk, ptr,
  					    mapelm);
  					malloc_spin_unlock(&arena->lock);
+ 					return;
  				}
  				mag_rack = rack;
  			}
  			mag_rack_dalloc(rack, ptr);
  		} else {
  #endif
  			malloc_spin_lock(&arena->lock);
  			arena_dalloc_small(arena, chunk, ptr, mapelm);
  			malloc_spin_unlock(&arena->lock);
  #ifdef MALLOC_MAG