X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=mm%2Fmmap.c;h=ca9d91bca0d6c61983707f23641507dee0540af2;hb=982785c6b05a82c01e90687b7e25ee87c8970b2e;hp=d44bee96a5fe4f5141d56916591889424a195684;hpb=f716a85cd6045c994011268223706642cff7e485;p=cascardo%2Flinux.git

diff --git a/mm/mmap.c b/mm/mmap.c
index d44bee96a5fe..ca9d91bca0d6 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2653,16 +2653,18 @@ static inline void verify_mm_writelocked(struct mm_struct *mm)
  *  anonymous maps.  eventually we may be able to do some
  *  brk-specific accounting here.
  */
-static int do_brk(unsigned long addr, unsigned long len)
+static int do_brk(unsigned long addr, unsigned long request)
 {
 	struct mm_struct *mm = current->mm;
 	struct vm_area_struct *vma, *prev;
-	unsigned long flags;
+	unsigned long flags, len;
 	struct rb_node **rb_link, *rb_parent;
 	pgoff_t pgoff = addr >> PAGE_SHIFT;
 	int error;
 
-	len = PAGE_ALIGN(len);
+	len = PAGE_ALIGN(request);
+	if (len < request)
+		return -ENOMEM;
 	if (!len)
 		return 0;