fork-use-vma_pages-to-simplify-the-code-fix

initialise `len' at its definition site

Cc: Huang Shijie <shijie8@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/kernel/fork.c b/kernel/fork.c
index 0707a2ed104ad2500df3ce5a8a727b1cfc00208e..add2357c2f56039a9327ddad0db27e495fdb9615 100644 (file)
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -389,8 +389,8 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
                }
                charge = 0;
                if (mpnt->vm_flags & VM_ACCOUNT) {
-                       unsigned long len;
-                       len = vma_pages(mpnt);
+                       unsigned long len = vma_pages(mpnt);
+
                        if (security_vm_enough_memory_mm(oldmm, len)) /* sic */
                                goto fail_nomem;
                        charge = len;