[rtems commit] libcsupport: Avoid division by zero

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    b71336c6e558f8e498d2bb6199112645bb32b955
Changeset: http://git.rtems.org/rtems/commit/?id=b71336c6e558f8e498d2bb6199112645bb32b955

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Fri May 10 11:59:12 2013 +0200

libcsupport: Avoid division by zero

---

 .../libcsupport/src/rtems_heap_extend_via_sbrk.c   |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/cpukit/libcsupport/src/rtems_heap_extend_via_sbrk.c b/cpukit/libcsupport/src/rtems_heap_extend_via_sbrk.c
index d27a366..f4f1274 100644
--- a/cpukit/libcsupport/src/rtems_heap_extend_via_sbrk.c
+++ b/cpukit/libcsupport/src/rtems_heap_extend_via_sbrk.c
@@ -38,7 +38,7 @@ void *rtems_heap_extend_via_sbrk(
 {
   ptrdiff_t sbrk_amount = RTEMS_Malloc_Sbrk_amount;
   ptrdiff_t sbrk_size = (ptrdiff_t) alloc_size;
-  ptrdiff_t misaligned = sbrk_size % sbrk_amount;
+  ptrdiff_t misaligned = sbrk_amount != 0 ? sbrk_size % sbrk_amount : 0;
   void *return_this = NULL;
 
   if ( misaligned != 0 ) {