More v4l drivers are now accessing the vidioc_expbuf function pointer
in struct v4l2_ioctl_ops which we can not backport to kernel < 3.5.
This adds some more checks around the places.
We should convert this to an spatch.
Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
.../media/0002-no_dmabuf/v4l2.patch | 58 ++++++++++++++++++++++
1 file changed, 58 insertions(+)
diff --git a/patches/collateral-evolutions/media/0002-no_dmabuf/v4l2.patch b/patches/collateral-evolutions/media/0002-no_dmabuf/v4l2.patch
index 91c7cda..35950ec 100644
--- a/patches/collateral-evolutions/media/0002-no_dmabuf/v4l2.patch
+++ b/patches/collateral-evolutions/media/0002-no_dmabuf/v4l2.patch
@@ -508,6 +508,64 @@
.vidioc_s_std = vidioc_s_std,
.vidioc_g_std = vidioc_g_std,
+--- a/drivers/media/usb/stk1160/stk1160-v4l.c
++++ b/drivers/media/usb/stk1160/stk1160-v4l.c
+@@ -500,7 +500,9 @@ static const struct v4l2_ioctl_ops stk11
+ .vidioc_dqbuf = vb2_ioctl_dqbuf,
+ .vidioc_streamon = vb2_ioctl_streamon,
+ .vidioc_streamoff = vb2_ioctl_streamoff,
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)
+ .vidioc_expbuf = vb2_ioctl_expbuf,
++#endif
+
+ .vidioc_log_status = v4l2_ctrl_log_status,
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+--- a/drivers/media/usb/uvc/uvc_queue.c
++++ b/drivers/media/usb/uvc/uvc_queue.c
+@@ -270,6 +270,7 @@ int uvc_queue_buffer(struct uvc_video_qu
+ return ret;
+ }
+
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)
+ int uvc_export_buffer(struct uvc_video_queue *queue,
+ struct v4l2_exportbuffer *exp)
+ {
+@@ -281,6 +282,7 @@ int uvc_export_buffer(struct uvc_video_q
+
+ return ret;
+ }
++#endif
+
+ int uvc_dequeue_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf,
+ int nonblocking)
+--- a/drivers/media/usb/uvc/uvc_v4l2.c
++++ b/drivers/media/usb/uvc/uvc_v4l2.c
+@@ -720,6 +720,7 @@ static int uvc_ioctl_qbuf(struct file *f
+ return uvc_queue_buffer(&stream->queue, buf);
+ }
+
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)
+ static int uvc_ioctl_expbuf(struct file *file, void *fh,
+ struct v4l2_exportbuffer *exp)
+ {
+@@ -731,6 +732,7 @@ static int uvc_ioctl_expbuf(struct file
+
+ return uvc_export_buffer(&stream->queue, exp);
+ }
++#endif
+
+ static int uvc_ioctl_dqbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
+ {
+@@ -1487,7 +1489,9 @@ const struct v4l2_ioctl_ops uvc_ioctl_op
+ .vidioc_reqbufs = uvc_ioctl_reqbufs,
+ .vidioc_querybuf = uvc_ioctl_querybuf,
+ .vidioc_qbuf = uvc_ioctl_qbuf,
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)
+ .vidioc_expbuf = uvc_ioctl_expbuf,
++#endif
+ .vidioc_dqbuf = uvc_ioctl_dqbuf,
+ .vidioc_create_bufs = uvc_ioctl_create_bufs,
+ .vidioc_streamon = uvc_ioctl_streamon,
--- a/drivers/media/v4l2-core/videobuf2-dma-sg.c
+++ b/drivers/media/v4l2-core/videobuf2-dma-sg.c
@@ -379,9 +379,11 @@ static void *vb2_dma_sg_vaddr(void *buf_
--
2.1.4
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