From d1673df9cd840b8f8c65017085c5b6943fc4b0cc Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Benjamin=20Cab=C3=A9?= Date: Sat, 14 Jun 2025 20:28:48 +0200 Subject: [PATCH] drivers: gnss: luatos_air530z: handle formatting error MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add error handling for the return value of gnss_nmea0183_snprintk so as to avoir sending garbage to the modem. Signed-off-by: Benjamin Cabé --- drivers/gnss/gnss_luatos_air530z.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gnss/gnss_luatos_air530z.c b/drivers/gnss/gnss_luatos_air530z.c index 991448260f6..74708edbd62 100644 --- a/drivers/gnss/gnss_luatos_air530z.c +++ b/drivers/gnss/gnss_luatos_air530z.c @@ -278,7 +278,10 @@ static int luatos_air530z_set_fix_rate(const struct device *dev, uint32_t fix_in luatos_air530z_lock(dev); ret = gnss_nmea0183_snprintk(data->dynamic_request_buf, sizeof(data->dynamic_request_buf), - "PCAS02,%u", fix_interval_ms); + "PCAS02,%u", fix_interval_ms); + if (ret < 0) { + goto unlock_return; + } data->dynamic_script_chat.request_size = ret;