diff options
Diffstat (limited to 'sound/isa/sb/emu8000_pcm.c')
| -rw-r--r-- | sound/isa/sb/emu8000_pcm.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/sound/isa/sb/emu8000_pcm.c b/sound/isa/sb/emu8000_pcm.c index 91dc3d83e2c..2f85c66f8e3 100644 --- a/sound/isa/sb/emu8000_pcm.c +++ b/sound/isa/sb/emu8000_pcm.c @@ -20,6 +20,7 @@ #include "emu8000_local.h" #include <linux/init.h> +#include <linux/slab.h> #include <sound/initval.h> #include <sound/pcm.h> @@ -432,7 +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--; @@ -524,12 +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++; } |