This is a note to let you know that I've just added the patch titled ALSA: hda - Fix oops caused by recent commit "Fix internal mic for Lenovo Ideapad U300s" to the 3.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: alsa-hda-fix-oops-caused-by-recent-commit-fix-internal-mic-for-lenovo-ideapad-u300s.patch and it can be found in the queue-3.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 810352f7bc7ee8788c89660bec3b7790e1c215bc Mon Sep 17 00:00:00 2001 From: David Henningsson <david.henningsson@xxxxxxxxxxxxx> Date: Tue, 10 Apr 2012 13:05:29 +0200 Subject: ALSA: hda - Fix oops caused by recent commit "Fix internal mic for Lenovo Ideapad U300s" From: David Henningsson <david.henningsson@xxxxxxxxxxxxx> commit 83b0c6ba999643ee8ad6329f26e1cdc870e1a920 upstream. Make sure we don't dereference the "quirk" pointer when it is null. Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Signed-off-by: David Henningsson <david.henningsson@xxxxxxxxxxxxx> Signed-off-by: Takashi Iwai <tiwai@xxxxxxx> Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx> Cc: Weng Meiling <wengmeiling.weng@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- sound/pci/hda/patch_conexant.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -4430,7 +4430,9 @@ static void apply_fixup(struct hda_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]); Patches currently in stable-queue which might be from david.henningsson@xxxxxxxxxxxxx are queue-3.4/alsa-hda-add-inverted-internal-mic-quirk-for-lenovo-s205.patch queue-3.4/alsa-hda-fix-oops-caused-by-recent-commit-fix-internal-mic-for-lenovo-ideapad-u300s.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html