lkml.org 
[lkml]   [2020]   [Nov]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 1/2] perf tools: Initialize output buffer in build_id__sprintf
Date
We display garbage for undefined build_id objects,
because we don't initialize the output buffer.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/perf/util/build-id.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
index 8763772f1095..6b410c3d52dc 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -102,6 +102,8 @@ int build_id__sprintf(const struct build_id *build_id, char *bf)
const u8 *raw = build_id->data;
size_t i;

+ bf[0] = 0x0;
+
for (i = 0; i < build_id->size; ++i) {
sprintf(bid, "%02x", *raw);
++raw;
--
2.26.2
\
 
 \ /
  Last update: 2020-11-02 00:31    [W:1.436 / U:0.052 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site