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-rw-r--r--sound/core/pcm_compat.c2
-rw-r--r--sound/core/pcm_native.c14
2 files changed, 8 insertions, 8 deletions
diff --git a/sound/core/pcm_compat.c b/sound/core/pcm_compat.c
index 102e8fd..2d957ba 100644
--- a/sound/core/pcm_compat.c
+++ b/sound/core/pcm_compat.c
@@ -210,6 +210,8 @@ static int snd_pcm_status_user_compat(struct snd_pcm_substream *substream,
if (err < 0)
return err;
+ if (clear_user(src, sizeof(*src)))
+ return -EFAULT;
if (put_user(status.state, &src->state) ||
compat_put_timespec(&status.trigger_tstamp, &src->trigger_tstamp) ||
compat_put_timespec(&status.tstamp, &src->tstamp) ||
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index bfe1cf6..166d59c 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -781,16 +781,15 @@ static int snd_pcm_action_group(struct action_ops *ops,
{
struct snd_pcm_substream *s = NULL;
struct snd_pcm_substream *s1;
- int res = 0;
+ int res = 0, depth = 1;
snd_pcm_group_for_each_entry(s, substream) {
if (do_lock && s != substream) {
if (s->pcm->nonatomic)
- mutex_lock_nested(&s->self_group.mutex,
- SINGLE_DEPTH_NESTING);
+ mutex_lock_nested(&s->self_group.mutex, depth);
else
- spin_lock_nested(&s->self_group.lock,
- SINGLE_DEPTH_NESTING);
+ spin_lock_nested(&s->self_group.lock, depth);
+ depth++;
}
res = ops->pre_action(s, state);
if (res < 0)
@@ -906,8 +905,7 @@ static int snd_pcm_action_lock_mutex(struct action_ops *ops,
down_read(&snd_pcm_link_rwsem);
if (snd_pcm_stream_linked(substream)) {
mutex_lock(&substream->group->mutex);
- mutex_lock_nested(&substream->self_group.mutex,
- SINGLE_DEPTH_NESTING);
+ mutex_lock(&substream->self_group.mutex);
res = snd_pcm_action_group(ops, substream, state, 1);
mutex_unlock(&substream->self_group.mutex);
mutex_unlock(&substream->group->mutex);
@@ -3311,7 +3309,7 @@ static const struct vm_operations_struct snd_pcm_vm_ops_data_fault = {
#ifndef ARCH_HAS_DMA_MMAP_COHERENT
/* This should be defined / handled globally! */
-#ifdef CONFIG_ARM
+#if defined(CONFIG_ARM) || defined(CONFIG_ARM64)
#define ARCH_HAS_DMA_MMAP_COHERENT
#endif
#endif