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| author | Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com> | 2020-07-21 21:16:45 -0400 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-08-06 09:26:28 -0300 |
| commit | 058612a6f773824b6e53629855c3d811ce7906be (patch) | |
| tree | 2d753f1b56144a380f743712238d705e3fb16380 /tools/lib | |
| parent | 9dc7dc75b179d341d246ce7a9b21e93ab3acd8f2 (diff) | |
| download | lwn-058612a6f773824b6e53629855c3d811ce7906be.tar.gz lwn-058612a6f773824b6e53629855c3d811ce7906be.zip | |
libtraceevent: Handle strdup() error in parse_option_name()
Modified internal function parse_option_name() to return error and
handle that error in function callers in case strdup() fails.
Link: https://lore.kernel.org/r/CAM9d7cizjF+fbK7YzmsBDgrx__4YAOsmEq67D3sWET8FF+YdFA@mail.gmail.com
Link: https://lore.kernel.org/linux-trace-devel/20200714103027.2477584-3-tz.stoyanov@gmail.com
Link: https://lore.kernel.org/linux-trace-devel/20200716092014.2613403-3-tz.stoyanov@gmail.com
Suggested-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: linux-trace-devel@vger.kernel.org
Link: http://lore.kernel.org/lkml/20200722011754.869289038@goodmis.org
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/event-plugin.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/tools/lib/traceevent/event-plugin.c b/tools/lib/traceevent/event-plugin.c index aa6f43290cd3..a39eeb6ef1f2 100644 --- a/tools/lib/traceevent/event-plugin.c +++ b/tools/lib/traceevent/event-plugin.c @@ -254,7 +254,7 @@ void tep_plugin_remove_options(struct tep_plugin_option *options) } } -static void parse_option_name(char **option, char **plugin) +static int parse_option_name(char **option, char **plugin) { char *p; @@ -265,8 +265,9 @@ static void parse_option_name(char **option, char **plugin) *p = '\0'; *option = strdup(p + 1); if (!*option) - return; + return -1; } + return 0; } static struct tep_plugin_option * @@ -325,7 +326,8 @@ int tep_plugin_add_option(const char *name, const char *val) if (!option_str) return -ENOMEM; - parse_option_name(&option_str, &plugin); + if (parse_option_name(&option_str, &plugin) < 0) + return -ENOMEM; /* If the option exists, update the val */ for (op = trace_plugin_options; op; op = op->next) { |