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path: root/drivers/dma-buf
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Diffstat (limited to 'drivers/dma-buf')
-rw-r--r--drivers/dma-buf/dma-buf.c9
-rw-r--r--drivers/dma-buf/reservation.c9
-rw-r--r--drivers/dma-buf/seqno-fence.c8
3 files changed, 20 insertions, 6 deletions
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index 63a9914e42b8..155c1464948e 100644
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -287,6 +287,7 @@ struct dma_buf *dma_buf_export(const struct dma_buf_export_info *exp_info)
struct reservation_object *resv = exp_info->resv;
struct file *file;
size_t alloc_size = sizeof(struct dma_buf);
+
if (!exp_info->resv)
alloc_size += sizeof(struct reservation_object);
else
@@ -553,7 +554,8 @@ int dma_buf_begin_cpu_access(struct dma_buf *dmabuf, size_t start, size_t len,
return -EINVAL;
if (dmabuf->ops->begin_cpu_access)
- ret = dmabuf->ops->begin_cpu_access(dmabuf, start, len, direction);
+ ret = dmabuf->ops->begin_cpu_access(dmabuf, start,
+ len, direction);
return ret;
}
@@ -657,7 +659,7 @@ EXPORT_SYMBOL_GPL(dma_buf_kunmap);
* @dmabuf: [in] buffer that should back the vma
* @vma: [in] vma for the mmap
* @pgoff: [in] offset in pages where this mmap should start within the
- * dma-buf buffer.
+ * dma-buf buffer.
*
* This function adjusts the passed in vma so that it points at the file of the
* dma_buf operation. It also adjusts the starting pgoff and does bounds
@@ -834,6 +836,7 @@ static int dma_buf_describe(struct seq_file *s)
static int dma_buf_show(struct seq_file *s, void *unused)
{
void (*func)(struct seq_file *) = s->private;
+
func(s);
return 0;
}
@@ -855,7 +858,9 @@ static struct dentry *dma_buf_debugfs_dir;
static int dma_buf_init_debugfs(void)
{
int err = 0;
+
dma_buf_debugfs_dir = debugfs_create_dir("dma_buf", NULL);
+
if (IS_ERR(dma_buf_debugfs_dir)) {
err = PTR_ERR(dma_buf_debugfs_dir);
dma_buf_debugfs_dir = NULL;
diff --git a/drivers/dma-buf/reservation.c b/drivers/dma-buf/reservation.c
index 39920d77f288..c0bd5722c997 100644
--- a/drivers/dma-buf/reservation.c
+++ b/drivers/dma-buf/reservation.c
@@ -337,7 +337,8 @@ retry:
rcu_read_lock();
if (wait_all) {
- struct reservation_object_list *fobj = rcu_dereference(obj->fence);
+ struct reservation_object_list *fobj =
+ rcu_dereference(obj->fence);
if (fobj)
shared_count = fobj->shared_count;
@@ -429,7 +430,8 @@ retry:
if (test_all) {
unsigned i;
- struct reservation_object_list *fobj = rcu_dereference(obj->fence);
+ struct reservation_object_list *fobj =
+ rcu_dereference(obj->fence);
if (fobj)
shared_count = fobj->shared_count;
@@ -462,7 +464,8 @@ retry:
goto unlock_retry;
if (fence_excl) {
- ret = reservation_object_test_signaled_single(fence_excl);
+ ret = reservation_object_test_signaled_single(
+ fence_excl);
if (ret < 0)
goto unlock_retry;
}
diff --git a/drivers/dma-buf/seqno-fence.c b/drivers/dma-buf/seqno-fence.c
index 7d12a39a4b57..71127f8f1626 100644
--- a/drivers/dma-buf/seqno-fence.c
+++ b/drivers/dma-buf/seqno-fence.c
@@ -24,24 +24,28 @@
static const char *seqno_fence_get_driver_name(struct fence *fence)
{
struct seqno_fence *seqno_fence = to_seqno_fence(fence);
+
return seqno_fence->ops->get_driver_name(fence);
}
static const char *seqno_fence_get_timeline_name(struct fence *fence)
{
struct seqno_fence *seqno_fence = to_seqno_fence(fence);
+
return seqno_fence->ops->get_timeline_name(fence);
}
static bool seqno_enable_signaling(struct fence *fence)
{
struct seqno_fence *seqno_fence = to_seqno_fence(fence);
+
return seqno_fence->ops->enable_signaling(fence);
}
static bool seqno_signaled(struct fence *fence)
{
struct seqno_fence *seqno_fence = to_seqno_fence(fence);
+
return seqno_fence->ops->signaled && seqno_fence->ops->signaled(fence);
}
@@ -56,9 +60,11 @@ static void seqno_release(struct fence *fence)
fence_free(&f->base);
}
-static signed long seqno_wait(struct fence *fence, bool intr, signed long timeout)
+static signed long seqno_wait(struct fence *fence, bool intr,
+ signed long timeout)
{
struct seqno_fence *f = to_seqno_fence(fence);
+
return f->ops->wait(fence, intr, timeout);
}