linux-kernel - [PATCH 30/40] perf script: Remove some bogus error handling

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Message-Id: <20170726141730.30750-31-acme@kernel.org>
Date:   Wed, 26 Jul 2017 11:17:20 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        kernel-janitors@...r.kernel.org,
        Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 30/40] perf script: Remove some bogus error handling

From: Dan Carpenter <dan.carpenter@...cle.com>

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 d430ff42208a..378f76cdf923 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)
-- 
2.9.4