[PATCH 06/10] ALSA: msnd: check request_region() return value

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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

Signed-off-by: Kulikov Vasiliy <segooon@xxxxxxxxx>
---
 sound/isa/msnd/msnd_pinnacle.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/sound/isa/msnd/msnd_pinnacle.c b/sound/isa/msnd/msnd_pinnacle.c
index 60b6abd..ed42f8e 100644
--- a/sound/isa/msnd/msnd_pinnacle.c
+++ b/sound/isa/msnd/msnd_pinnacle.c
@@ -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 -ENOMEM;
+	}
 
 	if (!request_mem_region(chip->base, BUFFSIZE, card->shortname)) {
 		printk(KERN_ERR LOGNAME
-- 
1.7.0.4

--
To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Kernel Development]     [Kernel Announce]     [Kernel Newbies]     [Linux Networking Development]     [Share Photos]     [IDE]     [Security]     [Git]     [Netfilter]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Device Mapper]

  Powered by Linux