diff options
Diffstat (limited to 'sound/isa')
| -rw-r--r-- | sound/isa/msnd/msnd_pinnacle.c | 5 | ||||
| -rw-r--r-- | sound/isa/sb/emu8000_pcm.c | 9 |
2 files changed, 10 insertions, 4 deletions
diff --git a/sound/isa/msnd/msnd_pinnacle.c b/sound/isa/msnd/msnd_pinnacle.c index 60b6abd7161..5f3e68401f9 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 -EBUSY; + } if (!request_mem_region(chip->base, BUFFSIZE, card->shortname)) { printk(KERN_ERR LOGNAME diff --git a/sound/isa/sb/emu8000_pcm.c b/sound/isa/sb/emu8000_pcm.c index ccedbfed061..2f85c66f8e3 100644 --- a/sound/isa/sb/emu8000_pcm.c +++ b/sound/isa/sb/emu8000_pcm.c @@ -433,7 +433,8 @@ static int emu8k_transfer_block(struct snd_emu8000 *emu, int offset, unsigned sh while (count > 0) { unsigned short sval; CHECK_SCHEDULER(); - get_user(sval, buf); + if (get_user(sval, buf)) + return -EFAULT; EMU8000_SMLD_WRITE(emu, sval); buf++; count--; @@ -525,12 +526,14 @@ static int emu8k_pcm_copy(struct snd_pcm_substream *subs, while (count-- > 0) { unsigned short sval; CHECK_SCHEDULER(); - get_user(sval, buf); + if (get_user(sval, buf)) + return -EFAULT; EMU8000_SMLD_WRITE(emu, sval); buf++; if (rec->voices > 1) { CHECK_SCHEDULER(); - get_user(sval, buf); + if (get_user(sval, buf)) + return -EFAULT; EMU8000_SMRD_WRITE(emu, sval); buf++; } |