Commit e4d3202c authored by Jens Axboe's avatar Jens Axboe
Browse files

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: default avatarJens Axboe <axboe@kernel.dk>
parent da67ba07

sound/core/pcm_native.c

+2 −2
Original line number Diff line number Diff line
@@ -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))