Merge branch 'for_3.8-rc1' into v4l_for_linus

* for_3.8-rc1: (243 commits)
  [media] omap3isp: Replace cpu_is_omap3630() with ISP revision check
  [media] omap3isp: Prepare/unprepare clocks before/after enable/disable
  [media] omap3isp: preview: Add support for 8-bit formats at the sink pad
  [media] omap3isp: Replace printk with dev_*
  [media] omap3isp: Find source pad from external entity
  [media] omap3isp: Configure CSI-2 phy based on platform data
  [media] omap3isp: Add PHY routing configuration
  [media] omap3isp: Add CSI configuration registers from control block to ISP resources
  [media] omap3isp: Remove unneeded module memory address definitions
  [media] omap3isp: Use monotonic timestamps for statistics buffers
  [media] uvcvideo: Fix control value clamping for unsigned integer controls
  [media] uvcvideo: Mark first output terminal as default video node
  [media] uvcvideo: Add VIDIOC_[GS]_PRIORITY support
  [media] uvcvideo: Return -ENOTTY for unsupported ioctls
  [media] uvcvideo: Set device_caps in VIDIOC_QUERYCAP
  [media] uvcvideo: Don't fail when an unsupported format is requested
  [media] uvcvideo: Return -EACCES when trying to access a read/write-only control
  [media] uvcvideo: Set error_idx properly for extended controls API failures
  [media] rtl28xxu: add NOXON DAB/DAB+ USB dongle rev 2
  [media] fc2580: write some registers conditionally
  ...

1 files changed, 19 insertions, 0 deletions

diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
index 83ffb6436ba..7157af301b1 100644
--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
+++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
@@ -297,6 +297,7 @@ struct v4l2_plane32 {
 	union {
 		__u32		mem_offset;
 		compat_long_t	userptr;
+		__s32		fd;
 	} m;
 	__u32			data_offset;
 	__u32			reserved[11];
@@ -318,6 +319,7 @@ struct v4l2_buffer32 {
 		__u32           offset;
 		compat_long_t   userptr;
 		compat_caddr_t  planes;
+		__s32		fd;
 	} m;
 	__u32			length;
 	__u32			reserved2;
@@ -341,6 +343,9 @@ static int get_v4l2_plane32(struct v4l2_plane *up, struct v4l2_plane32 *up32,
 		up_pln = compat_ptr(p);
 		if (put_user((unsigned long)up_pln, &up->m.userptr))
 			return -EFAULT;
+	} else if (memory == V4L2_MEMORY_DMABUF) {
+		if (copy_in_user(&up->m.fd, &up32->m.fd, sizeof(int)))
+			return -EFAULT;
 	} else {
 		if (copy_in_user(&up->m.mem_offset, &up32->m.mem_offset,
 					sizeof(__u32)))
@@ -364,6 +369,11 @@ static int put_v4l2_plane32(struct v4l2_plane *up, struct v4l2_plane32 *up32,
 		if (copy_in_user(&up32->m.mem_offset, &up->m.mem_offset,
 					sizeof(__u32)))
 			return -EFAULT;
+	/* For DMABUF, driver might've set up the fd, so copy it back. */
+	if (memory == V4L2_MEMORY_DMABUF)
+		if (copy_in_user(&up32->m.fd, &up->m.fd,
+					sizeof(int)))
+			return -EFAULT;
 
 	return 0;
 }
@@ -446,6 +456,10 @@ static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user
 			if (get_user(kp->m.offset, &up->m.offset))
 				return -EFAULT;
 			break;
+		case V4L2_MEMORY_DMABUF:
+			if (get_user(kp->m.fd, &up->m.fd))
+				return -EFAULT;
+			break;
 		}
 	}
 
@@ -510,6 +524,10 @@ static int put_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user
 			if (put_user(kp->m.offset, &up->m.offset))
 				return -EFAULT;
 			break;
+		case V4L2_MEMORY_DMABUF:
+			if (put_user(kp->m.fd, &up->m.fd))
+				return -EFAULT;
+			break;
 		}
 	}
 
@@ -1000,6 +1018,7 @@ long v4l2_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg)
 	case VIDIOC_S_FBUF32:
 	case VIDIOC_OVERLAY32:
 	case VIDIOC_QBUF32:
+	case VIDIOC_EXPBUF:
 	case VIDIOC_DQBUF32:
 	case VIDIOC_STREAMON32:
 	case VIDIOC_STREAMOFF32: