diff options
Diffstat (limited to 'sound/pci/korg1212/korg1212.c')
| -rw-r--r-- | sound/pci/korg1212/korg1212.c | 50 |
1 files changed, 12 insertions, 38 deletions
diff --git a/sound/pci/korg1212/korg1212.c b/sound/pci/korg1212/korg1212.c index 33b4f95d65b3..5c2cac201a28 100644 --- a/sound/pci/korg1212/korg1212.c +++ b/sound/pci/korg1212/korg1212.c @@ -1285,8 +1285,7 @@ static int snd_korg1212_silence(struct snd_korg1212 *korg1212, int pos, int coun } static int snd_korg1212_copy_to(struct snd_pcm_substream *substream, - void __user *dst, int pos, int count, - bool in_kernel) + struct iov_iter *dst, int pos, int count) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream); @@ -1306,24 +1305,20 @@ static int snd_korg1212_copy_to(struct snd_pcm_substream *substream, #if K1212_DEBUG_LEVEL > 0 if ( (void *) src < (void *) korg1212->recordDataBufsPtr || (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) { - printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i); + printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst->kvec.iov_base, i); return -EFAULT; } #endif - if (in_kernel) - memcpy((__force void *)dst, src, size); - else if (copy_to_user(dst, src, size)) + if (copy_to_iter(src, size, dst) != size) return -EFAULT; src++; - dst += size; } return 0; } static int snd_korg1212_copy_from(struct snd_pcm_substream *substream, - void __user *src, int pos, int count, - bool in_kernel) + struct iov_iter *src, int pos, int count) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream); @@ -1345,16 +1340,13 @@ static int snd_korg1212_copy_from(struct snd_pcm_substream *substream, #if K1212_DEBUG_LEVEL > 0 if ( (void *) dst < (void *) korg1212->playDataBufsPtr || (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) { - printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_from KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i); + printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_from KERNEL EFAULT, src=%p dst=%p iter=%d\n", src->kvec.iov_base, dst, i); return -EFAULT; } #endif - if (in_kernel) - memcpy(dst, (__force void *)src, size); - else if (copy_from_user(dst, src, size)) + if (copy_from_iter(dst, size, src) != size) return -EFAULT; dst++; - src += size; } return 0; @@ -1642,17 +1634,9 @@ static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream * static int snd_korg1212_playback_copy(struct snd_pcm_substream *substream, int channel, unsigned long pos, - void __user *src, unsigned long count) + struct iov_iter *src, unsigned long count) { - return snd_korg1212_copy_from(substream, src, pos, count, false); -} - -static int snd_korg1212_playback_copy_kernel(struct snd_pcm_substream *substream, - int channel, unsigned long pos, - void *src, unsigned long count) -{ - return snd_korg1212_copy_from(substream, (void __user *)src, - pos, count, true); + return snd_korg1212_copy_from(substream, src, pos, count); } static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream, @@ -1670,17 +1654,9 @@ static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream, static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream, int channel, unsigned long pos, - void __user *dst, unsigned long count) -{ - return snd_korg1212_copy_to(substream, dst, pos, count, false); -} - -static int snd_korg1212_capture_copy_kernel(struct snd_pcm_substream *substream, - int channel, unsigned long pos, - void *dst, unsigned long count) + struct iov_iter *dst, unsigned long count) { - return snd_korg1212_copy_to(substream, (void __user *)dst, - pos, count, true); + return snd_korg1212_copy_to(substream, dst, pos, count); } static const struct snd_pcm_ops snd_korg1212_playback_ops = { @@ -1691,8 +1667,7 @@ static const struct snd_pcm_ops snd_korg1212_playback_ops = { .prepare = snd_korg1212_prepare, .trigger = snd_korg1212_trigger, .pointer = snd_korg1212_playback_pointer, - .copy_user = snd_korg1212_playback_copy, - .copy_kernel = snd_korg1212_playback_copy_kernel, + .copy = snd_korg1212_playback_copy, .fill_silence = snd_korg1212_playback_silence, }; @@ -1704,8 +1679,7 @@ static const struct snd_pcm_ops snd_korg1212_capture_ops = { .prepare = snd_korg1212_prepare, .trigger = snd_korg1212_trigger, .pointer = snd_korg1212_capture_pointer, - .copy_user = snd_korg1212_capture_copy, - .copy_kernel = snd_korg1212_capture_copy_kernel, + .copy = snd_korg1212_capture_copy, }; /* |