From: Robert Spalek <rspalek@gmail.com>
Date: Wed, 4 Feb 2009 06:48:47 +0000 (-0800)
Subject: make page_alloc(0) work
X-Git-Tag: holmes-import~118^2
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=373665bbe5d757875d53d63b0a14bcdc10bb0e03;p=libucw.git

make page_alloc(0) work
---

diff --git a/ucw/bigalloc.c b/ucw/bigalloc.c
index 7532a446..3133170e 100644
--- a/ucw/bigalloc.c
+++ b/ucw/bigalloc.c
@@ -17,6 +17,8 @@
 void *
 page_alloc(u64 len)
 {
+  if (!len)
+    return NULL;
   if (len > SIZE_MAX)
     die("page_alloc: Size %llu is too large for the current architecture", (long long) len);
   ASSERT(!(len & (CPU_PAGE_SIZE-1)));