linux-kernel - [tip:perf/core] perf machine: Pass correct string to dso__adjust_kmod_long

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Date:	Mon, 7 Dec 2015 20:30:41 -0800
From:	tip-bot for Wang Nan <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, namhyung@...nel.org,
	tglx@...utronix.de, mingo@...nel.org, wangnan0@...wei.com,
	masami.hiramatsu.pt@...achi.com, hpa@...or.com, lizefan@...wei.com,
	acme@...hat.com
Subject: [tip:perf/core] perf machine:
  Pass correct string to dso__adjust_kmod_long_name

Commit-ID:  5dcf16df3ce48b2e4f798b1a11b5de2fc3cfd73a
Gitweb:     http://git.kernel.org/tip/5dcf16df3ce48b2e4f798b1a11b5de2fc3cfd73a
Author:     Wang Nan <wangnan0@...wei.com>
AuthorDate: Mon, 7 Dec 2015 02:36:25 +0000
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 7 Dec 2015 18:12:45 -0300

perf machine: Pass correct string to dso__adjust_kmod_long_name

There's a mistake in dso__adjust_kmod_long_name() that it use strdup()
to dup the new long_name of a dso, but passes the original string to
dso__set_long_name(). Which causes random crash during cleanup.

Signed-off-by: Wang Nan <wangnan0@...wei.com>
Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Zefan Li <lizefan@...wei.com>
Cc: pi3orama@....com
Fixes: c03d5184f0e9 ("perf machine: Adjust dso->long_name for offline module")
Link: http://lkml.kernel.org/r/1449455785-42020-1-git-send-email-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/machine.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 95a7f60..bfc289c 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -576,7 +576,7 @@ static void dso__adjust_kmod_long_name(struct dso *dso, const char *filename)
 	if (!dup_filename)
 		return;
 
-	dso__set_long_name(dso, filename, true);
+	dso__set_long_name(dso, dup_filename, true);
 }
 
 struct map *machine__findnew_module_map(struct machine *machine, u64 start,
--
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