scarlett2_add_firmware_version_ctl() may return an error, but the return value was not being checked. Add the missing check. Signed-off-by: Geoffrey D. Bennett <g@b4.vu> --- sound/usb/mixer_scarlett2.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/usb/mixer_scarlett2.c b/sound/usb/mixer_scarlett2.c index f6d1fdfa88e1..9803f3e426c6 100644 --- a/sound/usb/mixer_scarlett2.c +++ b/sound/usb/mixer_scarlett2.c @@ -4424,6 +4424,8 @@ static int snd_scarlett2_controls_create( /* Add firmware version control */ err = scarlett2_add_firmware_version_ctl(mixer); + if (err < 0) + return err; /* Read volume levels and controls from the interface */ err = scarlett2_read_configs(mixer); -- 2.41.0