lkml.org 
[lkml]   [2019]   [Nov]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[tip: perf/core] libtraceevent: Fix memory leakage in copy_filter_type
The following commit has been merged into the perf/core branch of tip:

Commit-ID: 10992af6bf46a2048ad964985a5b77464e5563b1
Gitweb: https://git.kernel.org/tip/10992af6bf46a2048ad964985a5b77464e5563b1
Author: Hewenliang <hewenliang4@huawei.com>
AuthorDate: Mon, 18 Nov 2019 20:44:15 -05:00
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitterDate: Fri, 22 Nov 2019 10:48:14 -03:00

libtraceevent: Fix memory leakage in copy_filter_type

It is necessary to free the memory that we have allocated when error occurs.

Fixes: ef3072cd1d5c ("tools lib traceevent: Get rid of die in add_filter_type()")
Signed-off-by: Hewenliang <hewenliang4@huawei.com>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Tzvetomir Stoyanov <tstoyanov@vmware.com>
Link: http://lore.kernel.org/lkml/20191119014415.57210-1-hewenliang4@huawei.com
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/lib/traceevent/parse-filter.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/tools/lib/traceevent/parse-filter.c b/tools/lib/traceevent/parse-filter.c
index 552592d..f3cbf86 100644
--- a/tools/lib/traceevent/parse-filter.c
+++ b/tools/lib/traceevent/parse-filter.c
@@ -1473,8 +1473,10 @@ static int copy_filter_type(struct tep_event_filter *filter,
if (strcmp(str, "TRUE") == 0 || strcmp(str, "FALSE") == 0) {
/* Add trivial event */
arg = allocate_arg();
- if (arg == NULL)
+ if (arg == NULL) {
+ free(str);
return -1;
+ }

arg->type = TEP_FILTER_ARG_BOOLEAN;
if (strcmp(str, "TRUE") == 0)
@@ -1483,8 +1485,11 @@ static int copy_filter_type(struct tep_event_filter *filter,
arg->boolean.value = 0;

filter_type = add_filter_type(filter, event->id);
- if (filter_type == NULL)
+ if (filter_type == NULL) {
+ free(str);
+ free_arg(arg);
return -1;
+ }

filter_type->filter = arg;

\
 
 \ /
  Last update: 2019-11-23 09:16    [W:0.153 / U:0.184 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site