linux-kernel - [PATCH 3.17 078/146] ALSA: hda - Add missing terminating entry to SND_HDA_PIN

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Date:	Tue, 28 Oct 2014 11:33:40 +0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org,
	David Henningsson <david.henningsson@...onical.com>,
	Takashi Iwai <tiwai@...e.de>
Subject: [PATCH 3.17 078/146] ALSA: hda - Add missing terminating entry to SND_HDA_PIN_QUIRK macro

3.17-stable review patch.  If anyone has any objections, please let me know.

------------------

From: David Henningsson <david.henningsson@...onical.com>

commit fb54a645b2739fb196446ffbbbe3f3589d117b55 upstream.

Without this terminating entry, the pin matching would continue
across random memory until a zero or a non-matching entry was found.

The result being that in some cases, the pin quirk would not be
applied correctly.

Signed-off-by: David Henningsson <david.henningsson@...onical.com>
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 sound/pci/hda/hda_local.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/sound/pci/hda/hda_local.h
+++ b/sound/pci/hda/hda_local.h
@@ -425,7 +425,7 @@ struct snd_hda_pin_quirk {
 	  .subvendor = _subvendor,\
 	  .name = _name,\
 	  .value = _value,\
-	  .pins = (const struct hda_pintbl[]) { _pins } \
+	  .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \
 	}
 #else
 
@@ -433,7 +433,7 @@ struct snd_hda_pin_quirk {
 	{ .codec = _codec,\
 	  .subvendor = _subvendor,\
 	  .value = _value,\
-	  .pins = (const struct hda_pintbl[]) { _pins } \
+	  .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \
 	}
 
 #endif


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