diff options
| author | Hewenliang <hewenliang4@huawei.com> | 2019-11-18 20:44:15 -0500 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-11-22 10:48:14 -0300 |
| commit | 10992af6bf46a2048ad964985a5b77464e5563b1 (patch) | |
| tree | 24c74ec0c82bd48929bc344e2b714bb2ab2553c8 /tools/lib | |
| parent | 68401a1799fa14cb72c2a129bbefdacd44279772 (diff) | |
| download | linux-10992af6bf46a2048ad964985a5b77464e5563b1.tar.gz | |
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>
Diffstat (limited to 'tools/lib')
| -rw-r--r-- | tools/lib/traceevent/parse-filter.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/tools/lib/traceevent/parse-filter.c b/tools/lib/traceevent/parse-filter.c index 552592d153fb..f3cbf86e51ac 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; |