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authorKulikov Vasiliy <segooon@gmail.com>2010-07-29 06:45:50 -0400
committerTakashi Iwai <tiwai@suse.de>2010-07-29 07:48:57 -0400
commit9c29490246ed80975ab8b87bcd4ebe5b87c1c1d6 (patch)
treebd20d40cc243649252a8afe6a749804f1960985c /sound/oss/msnd_pinnacle.c
parentfa95a6471ffaa6f40d71f44fc4d4636ee17280f5 (diff)
sound: oss: msnd: check request_region() return value
request_region() may fail, if so return -EBUSY. Signed-off-by: Kulikov Vasiliy <segooon@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/oss/msnd_pinnacle.c')
-rw-r--r--sound/oss/msnd_pinnacle.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/sound/oss/msnd_pinnacle.c b/sound/oss/msnd_pinnacle.c
index bfaac5fa13d7..2e48b17667d0 100644
--- a/sound/oss/msnd_pinnacle.c
+++ b/sound/oss/msnd_pinnacle.c
@@ -1400,9 +1400,13 @@ static int __init attach_multisound(void)
1400 printk(KERN_ERR LOGNAME ": Couldn't grab IRQ %d\n", dev.irq); 1400 printk(KERN_ERR LOGNAME ": Couldn't grab IRQ %d\n", dev.irq);
1401 return err; 1401 return err;
1402 } 1402 }
1403 request_region(dev.io, dev.numio, dev.name); 1403 if (request_region(dev.io, dev.numio, dev.name) == NULL) {
1404 free_irq(dev.irq, &dev);
1405 return -EBUSY;
1406 }
1404 1407
1405 if ((err = dsp_full_reset()) < 0) { 1408 err = dsp_full_reset();
1409 if (err < 0) {
1406 release_region(dev.io, dev.numio); 1410 release_region(dev.io, dev.numio);
1407 free_irq(dev.irq, &dev); 1411 free_irq(dev.irq, &dev);
1408 return err; 1412 return err;