From: Sage Weil <sage@inktank.com>
Date: Sat, 29 Sep 2012 00:53:29 +0000 (-0700)
Subject: librbd: fix overflow assert check
X-Git-Tag: v0.54~184
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=e43f4ff872523fef7cf1d820a138bc4e0e443f7b;p=ceph.git

librbd: fix overflow assert check

Signed-off-by: Sage Weil <sage@inktank.com>
---

diff --git a/src/librbd/internal.cc b/src/librbd/internal.cc
index 9176ec9198f6..017102f2d7f3 100644
--- a/src/librbd/internal.cc
+++ b/src/librbd/internal.cc
@@ -142,7 +142,7 @@ namespace librbd {
     uint64_t num, offset;
     iss >> std::hex >> num;
     uint64_t block_size = 1ULL << order;
-    assert(num > (ULLONG_MAX / block_size));
+    assert(num <= (ULLONG_MAX / block_size));
     offset = num * block_size;
     return offset;
   }