From: Takashi Iwai tiwai@suse.de
commit 8ec59ac3ad29891c0afef627640df36f2daa0349 upstream.
The check of the returned error code is missing in scarlett2_update_monitor_other(). Let's fix it.
Fixes: d5bda7e03982 ("ALSA: usb-audio: scarlett2: Add support for the talkback feature") Reported-by: kernel test robot lkp@intel.com Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/202109131831.9IodEzRx-lkp@intel.com Link: https://lore.kernel.org/r/20210929073540.9611-1-tiwai@suse.de Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- sound/usb/mixer_scarlett_gen2.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/sound/usb/mixer_scarlett_gen2.c +++ b/sound/usb/mixer_scarlett_gen2.c @@ -2450,6 +2450,8 @@ static int scarlett2_update_monitor_othe err = scarlett2_usb_get_config(mixer, SCARLETT2_CONFIG_TALKBACK_MAP, 1, &bitmap); + if (err < 0) + return err; for (i = 0; i < num_mixes; i++, bitmap >>= 1) private->talkback_map[i] = bitmap & 1; }