File 55a66a1e-make-rangeset_report_ranges-report-all-ranges.patch of Package xen

# Commit b1c780cd315eb4db06be3bbb5c6d80b1cabd27a9
# Date 2015-07-15 16:11:42 +0200
# Author Jan Beulich <jbeulich@suse.com>
# Committer Jan Beulich <jbeulich@suse.com>
make rangeset_report_ranges() report all ranges

find_range() returns NULL when s is below the lowest range, so we have
to use first_range() here (which is as good performance wise), or else
no range gets reported at all in that case.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>

--- a/xen/common/rangeset.c
+++ b/xen/common/rangeset.c
@@ -289,7 +289,7 @@ int rangeset_report_ranges(
 
     read_lock(&r->lock);
 
-    for ( x = find_range(r, s); x && (x->s <= e) && !rc; x = next_range(r, x) )
+    for ( x = first_range(r); x && (x->s <= e) && !rc; x = next_range(r, x) )
         if ( x->e >= s )
             rc = cb(max(x->s, s), min(x->e, e), ctxt);