diff options
| author | Takashi Iwai <tiwai@suse.de> | 2006-06-06 15:44:34 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-06-22 21:34:13 +0200 |
| commit | 688956f23bdbfb1c3551bfafc819f989b36bb8ae (patch) | |
| tree | ae59fdf7662b5a27c66554cbfd2b67c49fc156da /sound/pci/rme32.c | |
| parent | [ALSA] virmidi: revert erroneous removal of zero initialization (diff) | |
| download | linux-688956f23bdbfb1c3551bfafc819f989b36bb8ae.tar.xz linux-688956f23bdbfb1c3551bfafc819f989b36bb8ae.zip | |
[ALSA] Fix races in irq handler and ioremap
Call ioremap before request_irq for avoiding possible races
in the irq handler.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/rme32.c')
| -rw-r--r-- | sound/pci/rme32.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/sound/pci/rme32.c b/sound/pci/rme32.c index 4dd53bfe0308..2cb9fe98db2f 100644 --- a/sound/pci/rme32.c +++ b/sound/pci/rme32.c @@ -1368,18 +1368,18 @@ static int __devinit snd_rme32_create(struct rme32 * rme32) return err; rme32->port = pci_resource_start(rme32->pci, 0); - if (request_irq(pci->irq, snd_rme32_interrupt, SA_INTERRUPT | SA_SHIRQ, "RME32", (void *) rme32)) { - snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); - return -EBUSY; - } - rme32->irq = pci->irq; - if ((rme32->iobase = ioremap_nocache(rme32->port, RME32_IO_SIZE)) == 0) { snd_printk(KERN_ERR "unable to remap memory region 0x%lx-0x%lx\n", rme32->port, rme32->port + RME32_IO_SIZE - 1); return -ENOMEM; } + if (request_irq(pci->irq, snd_rme32_interrupt, SA_INTERRUPT | SA_SHIRQ, "RME32", (void *) rme32)) { + snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); + return -EBUSY; + } + rme32->irq = pci->irq; + /* read the card's revision number */ pci_read_config_byte(pci, 8, &rme32->rev); |