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-rw-r--r--sysdeps/mach/hurd/dl-sysdep.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sysdeps/mach/hurd/dl-sysdep.c b/sysdeps/mach/hurd/dl-sysdep.c
index 2f022ee90c..84fe966efe 100644
--- a/sysdeps/mach/hurd/dl-sysdep.c
+++ b/sysdeps/mach/hurd/dl-sysdep.c
@@ -699,7 +699,8 @@ void *weak_function
 __sbrk (intptr_t increment)
 {
   vm_address_t addr;
-  __vm_allocate (__mach_task_self (), &addr, increment, 1);
+  if (__vm_allocate (__mach_task_self (), &addr, increment, 1))
+    return NULL;
   return (void *) addr;
 }