linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Sanskriti Sharma <sansharm@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: Jiri Olsa <jolsa@redhat.com>,
	Arnaldo Carvalho de Melo <acme@redhat.com>,
	Joe Lawrence <joe.lawrence@redhat.com>
Subject: [PATCH 2/5] perf tools: cleanup trace-event-info 'tdata' leak
Date: Tue,  2 Oct 2018 10:29:11 -0400	[thread overview]
Message-ID: <1538490554-8161-3-git-send-email-sansharm@redhat.com> (raw)
In-Reply-To: <1538490554-8161-1-git-send-email-sansharm@redhat.com>

Free tracing_data structure in tracing_data_get() error paths.

Fixes the following coverity complaint:

  Error: RESOURCE_LEAK (CWE-772):
  leaked_storage: Variable "tdata" going out of scope leaks the storage

Signed-off-by: Sanskriti Sharma <sansharm@redhat.com>
---
 tools/perf/util/trace-event-info.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/perf/util/trace-event-info.c b/tools/perf/util/trace-event-info.c
index 7b0ca7c..8ad8e75 100644
--- a/tools/perf/util/trace-event-info.c
+++ b/tools/perf/util/trace-event-info.c
@@ -531,12 +531,14 @@ struct tracing_data *tracing_data_get(struct list_head *pattrs,
 			 "/tmp/perf-XXXXXX");
 		if (!mkstemp(tdata->temp_file)) {
 			pr_debug("Can't make temp file");
+			free(tdata);
 			return NULL;
 		}
 
 		temp_fd = open(tdata->temp_file, O_RDWR);
 		if (temp_fd < 0) {
 			pr_debug("Can't read '%s'", tdata->temp_file);
+			free(tdata);
 			return NULL;
 		}
 
-- 
1.8.3.1


  parent reply	other threads:[~2018-10-02 14:29 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-02 14:29 [PATCH 0/5] perf tool: small coverity clean ups Sanskriti Sharma
2018-10-02 14:29 ` [PATCH 1/5] perf strbuf: match va_{add,copy} with va_end Sanskriti Sharma
2018-10-02 15:45   ` Arnaldo Carvalho de Melo
2018-10-09  5:29   ` [tip:perf/core] perf strbuf: Match " tip-bot for Sanskriti Sharma
2018-10-02 14:29 ` Sanskriti Sharma [this message]
2018-10-02 15:47   ` [PATCH 2/5] perf tools: cleanup trace-event-info 'tdata' leak Arnaldo Carvalho de Melo
2018-10-09  5:29   ` [tip:perf/core] perf tools: Cleanup " tip-bot for Sanskriti Sharma
2018-10-02 14:29 ` [PATCH 3/5] perf tools: free 'printk' string in parse_ftrace_printk() Sanskriti Sharma
2018-10-02 15:47   ` Arnaldo Carvalho de Melo
2018-10-09  5:30   ` [tip:perf/core] perf tools: Free " tip-bot for Sanskriti Sharma
2018-10-02 14:29 ` [PATCH 4/5] perf tools: avoid double free in read_event_file() Sanskriti Sharma
2018-10-02 15:48   ` Arnaldo Carvalho de Melo
2018-10-09  5:31   ` [tip:perf/core] perf tools: Avoid " tip-bot for Sanskriti Sharma
2018-10-02 14:29 ` [PATCH 5/5] perf tools: free temporary 'sys' string in read_event_files() Sanskriti Sharma
2018-10-02 15:50   ` Arnaldo Carvalho de Melo
2018-10-09  5:31   ` [tip:perf/core] perf tools: Free " tip-bot for Sanskriti Sharma
2018-10-02 16:02 ` [PATCH 0/5] perf tool: small coverity clean ups Jiri Olsa
2018-10-02 16:14   ` Arnaldo Carvalho de Melo

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1538490554-8161-3-git-send-email-sansharm@redhat.com \
    --to=sansharm@redhat.com \
    --cc=acme@redhat.com \
    --cc=joe.lawrence@redhat.com \
    --cc=jolsa@redhat.com \
    --cc=linux-kernel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).