Commit 83b0c6ba authored Apr 10, 2012 by David Henningsson Committed by Takashi Iwai Apr 10, 2012

ALSA: hda - Fix oops caused by recent commit "Fix internal mic for Lenovo Ideapad U300s"



Make sure we don't dereference the "quirk" pointer when it is null.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

parent 5ff5c3a4

sound/pci/hda/patch_conexant.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -4441,7 +4441,9 @@ static void apply_fixup(struct hda_codec *codec,
		struct conexant_spec *spec = codec->spec;

		quirk = snd_pci_quirk_lookup(codec->bus->pci, quirk);
		if (quirk && table[quirk->value]) {
		if (!quirk)
		return;
		if (table[quirk->value]) {
		snd_printdd(KERN_INFO "hda_codec: applying pincfg for %s\n",
		quirk->name);
		apply_pincfg(codec, table[quirk->value]);