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authorDavid Howells <dhowells@redhat.com>2023-09-25 13:03:00 +0100
committerChristian Brauner <brauner@kernel.org>2023-09-25 14:30:27 +0200
commit1fcb71282e732a27b2d1d2003ab24d9f13f26e19 (patch)
treebd5f165e5b9a880922f9e9e7003f41dbc8846cd4 /sound/core
parent066baf92bed934c9fb4bcee97a193f47aa63431c (diff)
sound: Fix snd_pcm_readv()/writev() to use iov access functions
Fix snd_pcm_readv()/writev() to use iov access functions rather than poking at the iov_iter internals directly. Signed-off-by: David Howells <dhowells@redhat.com> Link: https://lore.kernel.org/r/20230925120309.1731676-4-dhowells@redhat.com Reviewed-by: Jaroslav Kysela <perex@perex.cz> Reviewed-by: Takashi Iwai <tiwai@suse.de> cc: Oswald Buddenhagen <oswald.buddenhagen@gmx.de> cc: Jens Axboe <axboe@kernel.dk> cc: Suren Baghdasaryan <surenb@google.com> cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> cc: alsa-devel@alsa-project.org Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'sound/core')
-rw-r--r--sound/core/pcm_native.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index bd9ddf412b46..9a69236fa207 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -3527,7 +3527,7 @@ 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 (!to->user_backed)
+ if (!user_backed_iter(to))
return -EINVAL;
if (to->nr_segs > 1024 || to->nr_segs != runtime->channels)
return -EINVAL;
@@ -3567,7 +3567,7 @@ 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 (!from->user_backed)
+ if (!user_backed_iter(from))
return -EINVAL;
if (from->nr_segs > 128 || from->nr_segs != runtime->channels ||
!frame_aligned(runtime, iov->iov_len))