linux-kernel - [tip:perf/core] perf script: Remove some bogus error handling

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <tip-2ec5cab604b2bbc5abe7138b537199762bea59ce@git.kernel.org>
Date:   Wed, 26 Jul 2017 10:24:06 -0700
From:   tip-bot for Dan Carpenter <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     alexander.shishkin@...ux.intel.com, acme@...hat.com,
        dan.carpenter@...cle.com, tglx@...utronix.de, mingo@...nel.org,
        hpa@...or.com, peterz@...radead.org, linux-kernel@...r.kernel.org
Subject: [tip:perf/core] perf script: Remove some bogus error handling

Commit-ID:  2ec5cab604b2bbc5abe7138b537199762bea59ce
Gitweb:     http://git.kernel.org/tip/2ec5cab604b2bbc5abe7138b537199762bea59ce
Author:     Dan Carpenter <dan.carpenter@...cle.com>
AuthorDate: Sat, 22 Jul 2017 10:36:10 +0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Tue, 25 Jul 2017 22:43:17 -0300

perf script: Remove some bogus error handling

If script_desc__new() fails then the current code has a NULL
dereference.  We don't actually need to do any cleanup, we can just
return NULL.

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: kernel-janitors@...r.kernel.org
Link: http://lkml.kernel.org/r/20170722073610.nnsyiwdcfl6bhn4t@mwanda
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/builtin-script.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index d430ff4..378f76c 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -2199,16 +2199,11 @@ static struct script_desc *script_desc__findnew(const char *name)
 
 	s = script_desc__new(name);
 	if (!s)
-		goto out_delete_desc;
+		return NULL;
 
 	script_desc__add(s);
 
 	return s;
-
-out_delete_desc:
-	script_desc__delete(s);
-
-	return NULL;
 }
 
 static const char *ends_with(const char *str, const char *suffix)