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Commit fa95a647 authored by Kulikov Vasiliy's avatar Kulikov Vasiliy Committed by Takashi Iwai
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ALSA: msnd: check request_region() return value 



request_region() may fail, if so return -EBUSY.

Signed-off-by: default avatarKulikov Vasiliy <segooon@gmail.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent ec9d04b2

sound/isa/msnd/msnd_pinnacle.c

+4 −1
Original line number Diff line number Diff line
@@ -549,7 +549,10 @@ static int __devinit snd_msnd_attach(struct snd_card *card) 
		printk(KERN_ERR LOGNAME ": Couldn't grab IRQ %d\n", chip->irq);

		return err;

	}

	request_region(chip->io, DSP_NUMIO, card->shortname);

	if (request_region(chip->io, DSP_NUMIO, card->shortname) == NULL) {

		free_irq(chip->irq, chip);

		return -EBUSY;

	}



	if (!request_mem_region(chip->base, BUFFSIZE, card->shortname)) {

		printk(KERN_ERR LOGNAME