Pacify -Werror=null-dereference in ralloc.c

* src/ralloc.c (find_heap, update_heap_bloc_correspondence):
Omit unnecessary comparisons to NULL that cause GCC to warn.

1 files changed, 2 insertions, 6 deletions

diff --git a/src/ralloc.c b/src/ralloc.c
index 3fa32ba9fea..8cf2c2b1b86 100644
--- a/src/ralloc.c
+++ b/src/ralloc.c
@@ -175,13 +175,11 @@ find_heap (void *address)
 {
   heap_ptr heap;
 
-  for (heap = last_heap; heap; heap = heap->prev)
+  for (heap = last_heap; ; heap = heap->prev)
     {
       if (heap->start <= address && address <= heap->end)
         return heap;
     }
-
-  return NIL_HEAP;
 }
 
 /* Find SIZE bytes of space in a heap.
@@ -509,10 +507,8 @@ update_heap_bloc_correspondence (bloc_ptr bloc, heap_ptr heap)
     {
       /* Advance through heaps, marking them empty,
          till we get to the one that B is in.  */
-      while (heap)
+      while (! (heap->bloc_start <= b->data && b->data <= heap->end))
         {
-          if (heap->bloc_start <= b->data && b->data <= heap->end)
-            break;
           heap = heap->next;
           /* We know HEAP is not null now,
              because there has to be space for bloc B.  */