commit a466f8bdeb4b8c46de833a2a456f60883c0acb04
author bart <bart@a5019735-40e9-0310-863c-91ae7b9d1cf9> Sun Aug 29 15:30:16 2010 +0000
committer bart <bart@a5019735-40e9-0310-863c-91ae7b9d1cf9> Sun Aug 29 15:30:16 2010 +0000
tree 339a0640028704cbdcad6309e281c31f059fe410
parent 81e06dc4e4b45e5a363cdf7e8cf221ef1289fff0

Don't trigger an assertion failure if len == 0.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11304 a5019735-40e9-0310-863c-91ae7b9d1cf9

drd/drd_main.c

diff --git a/drd/drd_main.c b/drd/drd_main.c
index 3b92a9a..63e1bb0 100644
--- a/drd/drd_main.c
+++ b/drd/drd_main.c
@@ -326,6 +326,9 @@
 {
    const Addr a2 = a1 + len;
 
+   if (len == 0)
+      return;
+
    tl_assert(a1 < a2);
 
    if (UNLIKELY(DRD_(any_address_is_traced)()))