diff options
| -rw-r--r-- | sound/isa/sb/emu8000_pcm.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sound/isa/sb/emu8000_pcm.c b/sound/isa/sb/emu8000_pcm.c index ccedbfe..2f85c66 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++; } |
