From c8e340f99f59bf76a3e02630bcd1aa9791faa8b5 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Thu, 18 Jan 2007 15:25:31 +0100 Subject: [PATCH] [PATCH] ALSA hda-codec - Fix NULL dereference in generic hda code Fix NULL dereference in hda_generic.c. Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela Signed-off-by: Chris Wright --- sound/pci/hda/hda_generic.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index 97e9af130b71..1589d2f2917f 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -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"; -- 2.39.5