In olden times the snd_hda_param_read() function always set "*start_id"
but in 2007 we introduced a new return and it causes uninitialized data
bugs in a couple of the callers: print_codec_info() and
hdmi_parse_codec().
Fixes: e8a7f136f5ed ('[ALSA] hda-intel - Improve HD-audio codec probing robustness')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
unsigned int parm;
parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT);
- if (parm == -1)
+ if (parm == -1) {
+ *start_id = 0;
return 0;
+ }
*start_id = (parm >> 16) & 0x7fff;
return (int)(parm & 0x7fff);
}