ALSA: hda/realtek - Allow NULL bus->pci
Realtek codec driver contains some codes referring to the PCI
subdevice IDs, but most of them are optional, typically for checking
the codec name variants. Add NULL checks appropriately so that it can
work without PCI assignment.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 86857b6..c5405f3 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -395,6 +395,8 @@
goto do_sku;
}
+ if (!codec->bus->pci)
+ return -1;
ass = codec->subsystem_id & 0xffff;
if (ass != codec->bus->pci->subsystem_device && (ass & 1))
goto do_sku;
@@ -483,7 +485,8 @@
}
ass = codec->subsystem_id & 0xffff;
- if ((ass != codec->bus->pci->subsystem_device) && (ass & 1))
+ if (codec->bus->pci &&
+ ass != codec->bus->pci->subsystem_device && (ass & 1))
goto do_sku;
/* invalid SSID, check the special NID pin defcfg instead */
@@ -966,6 +969,8 @@
return alc_codec_rename(codec, p->name);
}
+ if (!codec->bus->pci)
+ return 0;
for (q = rename_pci_tbl; q->codec_vendor_id; q++) {
if (q->codec_vendor_id != codec->vendor_id)
continue;
@@ -4502,13 +4507,15 @@
spec->codec_variant = ALC269_TYPE_ALC269VA;
switch (alc_get_coef0(codec) & 0x00f0) {
case 0x0010:
- if (codec->bus->pci->subsystem_vendor == 0x1025 &&
+ if (codec->bus->pci &&
+ codec->bus->pci->subsystem_vendor == 0x1025 &&
spec->cdefine.platform_type == 1)
err = alc_codec_rename(codec, "ALC271X");
spec->codec_variant = ALC269_TYPE_ALC269VB;
break;
case 0x0020:
- if (codec->bus->pci->subsystem_vendor == 0x17aa &&
+ if (codec->bus->pci &&
+ codec->bus->pci->subsystem_vendor == 0x17aa &&
codec->bus->pci->subsystem_device == 0x21f3)
err = alc_codec_rename(codec, "ALC3202");
spec->codec_variant = ALC269_TYPE_ALC269VC;
@@ -5309,7 +5316,7 @@
spec->gen.beep_nid = 0x01;
if ((alc_get_coef0(codec) & (1 << 14)) &&
- codec->bus->pci->subsystem_vendor == 0x1025 &&
+ codec->bus->pci && codec->bus->pci->subsystem_vendor == 0x1025 &&
spec->cdefine.platform_type == 1) {
err = alc_codec_rename(codec, "ALC272X");
if (err < 0)