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[ALSA] hda-codec - Fix NULL dereference in generic hda code

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Fix NULL dereference in hda_generic.c.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Takashi Iwai 2006-12-18 16:16:04 +01:00 committed by Jaroslav Kysela
parent f9cc8a8b18
commit 6afeb11de5
1 changed files with 3 additions and 2 deletions
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5
sound/pci/hda/hda_generic.c
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@ -485,8 +485,9 @@ static const char *get_input_type(struct hda_gnode *node, unsigned int *pinctl)
return "Front Aux";
return "Aux";
case AC_JACK_MIC_IN:
if (node->pin_caps &
(AC_PINCAP_VREF_80 << AC_PINCAP_VREF_SHIFT))
if (pinctl &&
(node->pin_caps &
(AC_PINCAP_VREF_80 << AC_PINCAP_VREF_SHIFT)))
*pinctl |= AC_PINCTL_VREF_80;
if ((location & 0x0f) == AC_JACK_LOC_FRONT)
return "Front Mic";