4.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Kazuki Oikawa <k@xxxxxxxx>
commit 76df52969711ae3725a98f26fbbc6a349803dcbf upstream.
snd_usb_{set_interface,ctl_msg}_quirk checks chip->usb_id to need
calling a quirks code. But existed code path that not calling
dev_set_drvdata in usb_audio_probe.
Fixes: 79289e24194a ("ALSA: usb-audio: Refer to chip->usb_id for quirks and MIDI creation")
Signed-off-by: Kazuki Oikawa <k@xxxxxxxx>
Reviewed-by: Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx>
Tested-by: Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx>
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
sound/usb/card.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -552,7 +552,6 @@ static int usb_audio_probe(struct usb_in
goto __error;
}
chip = usb_chip[i];
- dev_set_drvdata(&dev->dev, chip);
atomic_inc(&chip->active); /* avoid autopm */
break;
}
@@ -578,6 +577,7 @@ static int usb_audio_probe(struct usb_in
goto __error;
}
}
+ dev_set_drvdata(&dev->dev, chip);
/*
* For devices with more than one control interface, we assume the
--
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