[Libguestfs] [nbdkit PATCH] extents: Do not shorten overlaps by 0

[Martin Kletzander]

When offset + length == exts->end the code which is shortening the extents is
subtracting 0 from length.  And it is not optimized out.

Signed-off-by: Martin Kletzander <mkletzan at redhat.com>
---
 server/extents.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server/extents.c b/server/extents.c
index d3d1a15ab97c..c422491601f0 100644
--- a/server/extents.c
+++ b/server/extents.c
@@ -168,7 +168,7 @@ nbdkit_add_extent (struct nbdkit_extents *exts,
     return 0;
 
   /* Shorten extents that overlap the end of the range. */
-  if (offset + length >= exts->end) {
+  if (offset + length > exts->end) {
     overlap = offset + length - exts->end;
     length -= overlap;
   }
-- 
2.21.0