[PATCH] ALSA: core: Fix SSID quirk lookup for subvendor=0

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Some weird devices set the codec SSID vendor ID 0, and
snd_pci_quirk_lookup_id() loop aborts at the point although it should
still try matching with the SSID device ID.  This resulted in a
missing quirk for some old Macs.

Fix the loop termination condition to check both subvendor and
subdevice.

Fixes: 73355ddd8775 ("ALSA: hda: Code refactoring snd_hda_pick_fixup()")
Cc: <stable@xxxxxxxxxxxxxxx>
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=215495
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
---
 sound/core/misc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/core/misc.c b/sound/core/misc.c
index 3579dd7a161f..a512c849a9e5 100644
--- a/sound/core/misc.c
+++ b/sound/core/misc.c
@@ -112,7 +112,7 @@ snd_pci_quirk_lookup_id(u16 vendor, u16 device,
 {
 	const struct snd_pci_quirk *q;
 
-	for (q = list; q->subvendor; q++) {
+	for (q = list; q->subvendor && q->subdevice; q++) {
 		if (q->subvendor != vendor)
 			continue;
 		if (!q->subdevice ||
-- 
2.31.1




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