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From: Steven Rostedt <rostedt@goodmis.org>
To: linux-trace-devel@vger.kernel.org
Cc: Namhyung Kim <namhyung@kernel.org>,
	"Tzvetomir Stoyanov (VMware)" <tz.stoyanov@gmail.com>
Subject: [PATCH 8/8] libtraceevent: Handle possible strdup() error in tep_add_plugin_path() API
Date: Tue, 14 Jul 2020 17:19:37 -0400
Message-ID: <20200714212320.928819723@goodmis.org> (raw)
In-Reply-To: <20200714211929.828530560@goodmis.org>

From: "Tzvetomir Stoyanov (VMware)" <tz.stoyanov@gmail.com>

Free allocated resources and return -1 in case strdup() fails in
tep_add_plugin_path() API.

Link: https://lore.kernel.org/r/CAM9d7chfvJwodpVrHGc5E2J80peRojmYV_fD8x3cpn9HFRUw2g@mail.gmail.com
Link: https://lore.kernel.org/linux-trace-devel/20200714103027.2477584-9-tz.stoyanov@gmail.com

Suggested-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
---
 lib/traceevent/event-plugin.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/traceevent/event-plugin.c b/lib/traceevent/event-plugin.c
index 841e41c68ad0..4a3f7d3f7969 100644
--- a/lib/traceevent/event-plugin.c
+++ b/lib/traceevent/event-plugin.c
@@ -666,6 +666,10 @@ int tep_add_plugin_path(struct tep_handle *tep, char *path,
 		return -1;
 
 	dir->path = strdup(path);
+	if (!dir->path) {
+		free(dir);
+		return -1;
+	}
 	dir->prio = prio;
 	dir->next = tep->plugins_dir;
 	tep->plugins_dir = dir;
-- 
2.26.2



  parent reply index

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-14 21:19 [PATCH 0/8] trace-cmd libtraceevent: Tzvetomir's updates from Namhyung's comments Steven Rostedt
2020-07-14 21:19 ` [PATCH 1/8] libtraceevent: Document tep_load_plugins_hook() Steven Rostedt
2020-07-14 21:19 ` [PATCH 2/8] libtraceevent: Handle strdup() error in parse_option_name() Steven Rostedt
2020-07-14 21:19 ` [PATCH 3/8] libtraceevent: Fix typo in tep_plugin_add_option() description Steven Rostedt
2020-07-14 21:19 ` [PATCH 4/8] libtraceevent: Improve error handling of tep_plugin_add_option() API Steven Rostedt
2020-07-14 21:19 ` [PATCH 5/8] libtraceevent: Fixed broken indentation in parse_ip4_print_args() Steven Rostedt
2020-07-14 21:19 ` [PATCH 6/8] libtraceevent: Fixed type in PRINT_FMT_STING Steven Rostedt
2020-07-14 21:19 ` [PATCH 7/8] libtraceevent: Fixed description of tep_add_plugin_path() API Steven Rostedt
2020-07-14 21:19 ` Steven Rostedt [this message]
2020-07-14 21:30 ` [PATCH 0/8] trace-cmd libtraceevent: Tzvetomir's updates from Namhyung's comments Steven Rostedt

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