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BAYES_HAM(-3.00)[100.00%]; DWL_DNSWL_MED(-2.00)[suse.de:dkim]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:104:10:150:64:97:from]; FUZZY_BLOCKED(0.00)[rspamd.com]; TO_DN_SOME(0.00)[]; ARC_NA(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FROM_HAS_DN(0.00)[]; MIME_TRACE(0.00)[0:+]; DNSWL_BLOCKED(0.00)[2a07:de40:b281:104:10:150:64:97:from]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:106:10:150:64:167:received]; RCVD_COUNT_TWO(0.00)[2]; DKIM_TRACE(0.00)[suse.de:+]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCPT_COUNT_FIVE(0.00)[6]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo, imap1.dmz-prg2.suse.org:rdns] X-Rspamd-Action: no action X-Rspamd-Server: rspamd1.dmz-prg2.suse.org So far the HD-audio driver has been tolerant about the input values and accepts any values by correcting the amp volume and switch values internally. But now our own selftest starts complaining about this behavior, so let's be picky and change the behavior to return -EINVAL for invalid input values instead. Reported-by: Paul Menzel Closes: https://lore.kernel.org/r/1d44be36-9bb9-4d82-8953-5ae2a4f09405@molgen.mpg.de Reviewed-by: Jaroslav Kysela Signed-off-by: Takashi Iwai --- sound/pci/hda/hda_codec.c | 23 ++++++++++++++++++----- 1 file changed, 18 insertions(+), 5 deletions(-) diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 325e8f0b99a8..3dd1bda0c5c6 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -1496,7 +1496,7 @@ update_amp_value(struct hda_codec *codec, hda_nid_t nid, /* ofs = 0: raw max value */ maxval = get_amp_max_value(codec, nid, dir, 0); if (val > maxval) - val = maxval; + return -EINVAL; return snd_hda_codec_amp_update(codec, nid, ch, dir, idx, HDA_AMP_VOLMASK, val); } @@ -1547,13 +1547,21 @@ int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol, unsigned int ofs = get_amp_offset(kcontrol); long *valp = ucontrol->value.integer.value; int change = 0; + int err; if (chs & 1) { - change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp); + err = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp); + if (err < 0) + return err; + change |= err; valp++; } - if (chs & 2) - change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp); + if (chs & 2) { + err = update_amp_value(codec, nid, 1, dir, idx, ofs, *valp); + if (err < 0) + return err; + change |= err; + } return change; } EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_put); @@ -2149,15 +2157,20 @@ int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol, int change = 0; if (chs & 1) { + if (*valp < 0 || *valp > 1) + return -EINVAL; change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx, HDA_AMP_MUTE, *valp ? 0 : HDA_AMP_MUTE); valp++; } - if (chs & 2) + if (chs & 2) { + if (*valp < 0 || *valp > 1) + return -EINVAL; change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx, HDA_AMP_MUTE, *valp ? 0 : HDA_AMP_MUTE); + } hda_call_check_power_status(codec, nid); return change; }