Merge commit '0072a0c14d5b7cb72c611d396f143f5dcd73ebe2' into patchwork

Merge from Upstream after the latest media fixes branch, because we
need one patch that it is there.

* commit '0072a0c14d5b7cb72c611d396f143f5dcd73ebe2': (1108 commits)
  ide: Change to use DEFINE_SHOW_ATTRIBUTE macro
  ide: pmac: add of_node_put()
  drivers/tty: add missing of_node_put()
  drivers/sbus/char: add of_node_put()
  sbus: char: add of_node_put()
  Linux 4.20-rc5
  PCI: Fix incorrect value returned from pcie_get_speed_cap()
  MAINTAINERS: Update linux-mips mailing list address
  ocfs2: fix potential use after free
  mm/khugepaged: fix the xas_create_range() error path
  mm/khugepaged: collapse_shmem() do not crash on Compound
  mm/khugepaged: collapse_shmem() without freezing new_page
  mm/khugepaged: minor reorderings in collapse_shmem()
  mm/khugepaged: collapse_shmem() remember to clear holes
  mm/khugepaged: fix crashes due to misaccounted holes
  mm/khugepaged: collapse_shmem() stop if punched or truncated
  mm/huge_memory: fix lockdep complaint on 32-bit i_size_read()
  mm/huge_memory: splitting set mapping+index before unfreeze
  mm/huge_memory: rename freeze_page() to unmap_page()
  initramfs: clean old path before creating a hardlink
  ...

2 files changed, 16 insertions, 11 deletions

diff --git a/drivers/staging/media/sunxi/cedrus/TODO b/drivers/staging/media/sunxi/cedrus/TODO
index ec277ece47af..a951b3fd1ea1 100644
--- a/drivers/staging/media/sunxi/cedrus/TODO
+++ b/drivers/staging/media/sunxi/cedrus/TODO
@@ -5,3 +5,8 @@ Before this stateless decoder driver can leave the staging area:
 * Userspace support for the Request API needs to be reviewed;
 * Another stateless decoder driver should be submitted;
 * At least one stateless encoder driver should be submitted.
+* When queueing a request containing references to I frames, the
+  refcount of the memory for those I frames needs to be incremented
+  and decremented when the request is completed. This will likely
+  require some help from vb2. The driver should fail the request
+  if the memory/buffer is gone.
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.c b/drivers/staging/media/sunxi/cedrus/cedrus.c
index da790db450d2..b538eb0321d8 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus.c
+++ b/drivers/staging/media/sunxi/cedrus/cedrus.c
@@ -108,17 +108,6 @@ static int cedrus_request_validate(struct media_request *req)
 	unsigned int count;
 	unsigned int i;
 
-	count = vb2_request_buffer_cnt(req);
-	if (!count) {
-		v4l2_info(&ctx->dev->v4l2_dev,
-			  "No buffer was provided with the request\n");
-		return -ENOENT;
-	} else if (count > 1) {
-		v4l2_info(&ctx->dev->v4l2_dev,
-			  "More than one buffer was provided with the request\n");
-		return -EINVAL;
-	}
-
 	list_for_each_entry(obj, &req->objects, list) {
 		struct vb2_buffer *vb;
 
@@ -133,6 +122,17 @@ static int cedrus_request_validate(struct media_request *req)
 	if (!ctx)
 		return -ENOENT;
 
+	count = vb2_request_buffer_cnt(req);
+	if (!count) {
+		v4l2_info(&ctx->dev->v4l2_dev,
+			  "No buffer was provided with the request\n");
+		return -ENOENT;
+	} else if (count > 1) {
+		v4l2_info(&ctx->dev->v4l2_dev,
+			  "More than one buffer was provided with the request\n");
+		return -EINVAL;
+	}
+
 	parent_hdl = &ctx->hdl;
 
 	hdl = v4l2_ctrl_request_hdl_find(req, parent_hdl);