diff options
| -rw-r--r-- | sound/core/pcm_lib.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index 4859fb1caec9..a11cd7d6295f 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -1992,8 +1992,8 @@ static int default_write_copy(struct snd_pcm_substream *substream, int channel, unsigned long hwoff, struct iov_iter *iter, unsigned long bytes) { - if (!copy_from_iter(get_dma_ptr(substream->runtime, channel, hwoff), - bytes, iter)) + if (copy_from_iter(get_dma_ptr(substream->runtime, channel, hwoff), + bytes, iter) != bytes) return -EFAULT; return 0; } @@ -2025,8 +2025,8 @@ static int default_read_copy(struct snd_pcm_substream *substream, int channel, unsigned long hwoff, struct iov_iter *iter, unsigned long bytes) { - if (!copy_to_iter(get_dma_ptr(substream->runtime, channel, hwoff), - bytes, iter)) + if (copy_to_iter(get_dma_ptr(substream->runtime, channel, hwoff), + bytes, iter) != bytes) return -EFAULT; return 0; } |