Hello Detlef Urban,
This is a semi-automatic email about new static checker warnings.
The patch d2bb390a2081: "ALSA: usb-audio: Tascam US-16x08 DSP mixer
quirk" from Feb 20, 2017, leads to the following Smatch complaint:
sound/usb/mixer_us16x08.c:716 snd_us16x08_meter_get()
warn: variable dereferenced before check 'elem' (see line 711)
sound/usb/mixer_us16x08.c
710 struct usb_mixer_elem_info *elem = kcontrol->private_data;
711 struct snd_usb_audio *chip = elem->head.mixer->chip;
^^^^^^^^^^^^^^^^^^^^^^
Dereference.
712 struct snd_us16x08_meter_store *store = elem->private_data;
713 u8 meter_urb[64];
714 char tmp[max(sizeof(mix_init_msg1), sizeof(mix_init_msg2))];
715
716 if (elem) {
^^^^
Check.
717 store = (struct snd_us16x08_meter_store *) elem->private_data;
718 chip = elem->head.mixer->chip;
regards,
dan carpenter
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