Finally all users have been converted to the new PCM copy ops, let's drop the obsoleted copy_kernel and copy_user ops completely.
Signed-off-by: Takashi Iwai tiwai@suse.de --- include/sound/pcm.h | 5 ----- sound/core/pcm_lib.c | 16 ---------------- sound/core/pcm_native.c | 2 +- 3 files changed, 1 insertion(+), 22 deletions(-)
diff --git a/include/sound/pcm.h b/include/sound/pcm.h index 9b7054f0cea0..2700ca1c9db8 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -71,11 +71,6 @@ struct snd_pcm_ops { unsigned long pos, unsigned long bytes); int (*copy)(struct snd_pcm_substream *substream, int channel, unsigned long pos, sockptr_t buf, unsigned long bytes); - int (*copy_user)(struct snd_pcm_substream *substream, int channel, - unsigned long pos, void __user *buf, - unsigned long bytes); - int (*copy_kernel)(struct snd_pcm_substream *substream, int channel, - unsigned long pos, void *buf, unsigned long bytes); struct page *(*page)(struct snd_pcm_substream *substream, unsigned long offset); int (*mmap)(struct snd_pcm_substream *substream, struct vm_area_struct *vma); diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index 1dd630cd22a7..1d10de7eeac6 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -2031,19 +2031,6 @@ static int default_read_copy(struct snd_pcm_substream *substream, return 0; }
-/* a wrapper for calling old copy_kernel or copy_user ops */ -static int call_old_copy(struct snd_pcm_substream *substream, - int channel, unsigned long hwoff, - sockptr_t buf, unsigned long bytes) -{ - if (sockptr_is_kernel(buf)) - return substream->ops->copy_kernel(substream, channel, hwoff, - buf.kernel, bytes); - else - return substream->ops->copy_user(substream, channel, hwoff, - buf.user, bytes); -} - /* create a sockptr_t */ static inline sockptr_t make_sockptr(void *p, bool in_kernel) { @@ -2241,9 +2228,6 @@ snd_pcm_sframes_t __snd_pcm_lib_xfer(struct snd_pcm_substream *substream, } else { if (substream->ops->copy) transfer = substream->ops->copy; - else if ((in_kernel && substream->ops->copy_kernel) || - (!in_kernel && substream->ops->copy_user)) - transfer = call_old_copy; else transfer = is_playback ? default_write_copy : default_read_copy; diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 34efd4d198d6..bd9ddf412b46 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -809,7 +809,7 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream, runtime->boundary *= 2;
/* clear the buffer for avoiding possible kernel info leaks */ - if (runtime->dma_area && !substream->ops->copy && !substream->ops->copy_user) { + if (runtime->dma_area && !substream->ops->copy) { size_t size = runtime->dma_bytes;
if (runtime->info & SNDRV_PCM_INFO_MMAP)