ALSA: pcm: check for user backed iterator, not specific iterator type

In preparation for switching single segment iterators to using ITER_UBUF,
swap the check for whether we are user backed or not.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 8bb97ee..5868661 100644 (file)
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -3531,7 +3531,7 @@ static ssize_t snd_pcm_readv(struct kiocb *iocb, struct iov_iter *to)
        if (runtime->state == SNDRV_PCM_STATE_OPEN ||
            runtime->state == SNDRV_PCM_STATE_DISCONNECTED)
                return -EBADFD;
-       if (!iter_is_iovec(to))
+       if (!to->user_backed)
                return -EINVAL;
        if (to->nr_segs > 1024 || to->nr_segs != runtime->channels)
                return -EINVAL;
@@ -3571,7 +3571,7 @@ static ssize_t snd_pcm_writev(struct kiocb *iocb, struct iov_iter *from)
        if (runtime->state == SNDRV_PCM_STATE_OPEN ||
            runtime->state == SNDRV_PCM_STATE_DISCONNECTED)
                return -EBADFD;
-       if (!iter_is_iovec(from))
+       if (!from->user_backed)
                return -EINVAL;
        if (from->nr_segs > 128 || from->nr_segs != runtime->channels ||
            !frame_aligned(runtime, iov->iov_len))