From 32fe61426373d85e797bf4f4dcbe4510487c3e00 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 8 Oct 2008 10:28:25 +0200 Subject: [PATCH] ALSA: mtpav - Fix race in probe Ingo reported Oops at probing mtpav driver. It's a race between the irq handler and the rawmidi instance registration. This patch fixes the order of registration to avoid the race. Signed-off-by: Takashi Iwai Tested-by: Ingo Molnar Signed-off-by: Jaroslav Kysela --- sound/drivers/mtpav.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/sound/drivers/mtpav.c b/sound/drivers/mtpav.c index b5e1a71bb64..5b89c0883d6 100644 --- a/sound/drivers/mtpav.c +++ b/sound/drivers/mtpav.c @@ -715,6 +715,10 @@ static int __devinit snd_mtpav_probe(struct platform_device *dev) card->private_free = snd_mtpav_free; + err = snd_mtpav_get_RAWMIDI(mtp_card); + if (err < 0) + goto __error; + err = snd_mtpav_get_ISA(mtp_card); if (err < 0) goto __error; @@ -724,10 +728,6 @@ static int __devinit snd_mtpav_probe(struct platform_device *dev) snprintf(card->longname, sizeof(card->longname), "MTPAV on parallel port at 0x%lx", port); - err = snd_mtpav_get_RAWMIDI(mtp_card); - if (err < 0) - goto __error; - snd_mtpav_portscan(mtp_card); snd_card_set_dev(card, &dev->dev); -- 2.41.1