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-rw-r--r--misc/sbrk.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/misc/sbrk.c b/misc/sbrk.c
index 87b5472bda..89ab9c4a8c 100644
--- a/misc/sbrk.c
+++ b/misc/sbrk.c
@@ -47,10 +47,15 @@ __sbrk (intptr_t increment)
return __curbrk;
oldbrk = __curbrk;
- if ((increment > 0
- ? ((uintptr_t) oldbrk + (uintptr_t) increment < (uintptr_t) oldbrk)
- : ((uintptr_t) oldbrk < (uintptr_t) -increment))
- || __brk (oldbrk + increment) < 0)
+ if (increment > 0
+ ? ((uintptr_t) oldbrk + (uintptr_t) increment < (uintptr_t) oldbrk)
+ : ((uintptr_t) oldbrk < (uintptr_t) -increment))
+ {
+ __set_errno (ENOMEM);
+ return (void *) -1;
+ }
+
+ if (__brk (oldbrk + increment) < 0)
return (void *) -1;
return oldbrk;