lkml.org 
[lkml]   [2014]   [Oct]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[tip:perf/urgent] perf tools: Fixup off-by-one comparision in maps__find
Commit-ID:  4955ea225db42144d1667838f908315a16d51c5b
Gitweb: http://git.kernel.org/tip/4955ea225db42144d1667838f908315a16d51c5b
Author: Namhyung Kim <namhyung@kernel.org>
AuthorDate: Tue, 14 Oct 2014 16:05:38 -0300
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Tue, 14 Oct 2014 17:50:56 -0300

perf tools: Fixup off-by-one comparision in maps__find

map->end is the first addr _outside_ the a map, following the convention
of vm_area_struct->vm_end.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Stephane Eranian <eranian@google.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/8761fwh1nc.fsf@sejong.aot.lge.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/map.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 186418b..2137c45 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -752,7 +752,7 @@ struct map *maps__find(struct rb_root *maps, u64 ip)
m = rb_entry(parent, struct map, rb_node);
if (ip < m->start)
p = &(*p)->rb_left;
- else if (ip > m->end)
+ else if (ip >= m->end)
p = &(*p)->rb_right;
else
return m;

\
 
 \ /
  Last update: 2014-10-15 12:41    [W:0.110 / U:1.004 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site