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-rw-r--r--drivers/media/common/saa7146/saa7146_fops.c9
-rw-r--r--drivers/media/common/saa7146/saa7146_video.c18
-rw-r--r--drivers/media/common/videobuf2/videobuf2-core.c5
-rw-r--r--drivers/media/common/videobuf2/videobuf2-dma-contig.c3
-rw-r--r--drivers/media/common/videobuf2/videobuf2-dma-sg.c5
-rw-r--r--drivers/media/common/videobuf2/videobuf2-memops.c9
-rw-r--r--drivers/media/common/videobuf2/videobuf2-v4l2.c10
-rw-r--r--drivers/media/common/videobuf2/videobuf2-vmalloc.c3
8 files changed, 29 insertions, 33 deletions
diff --git a/drivers/media/common/saa7146/saa7146_fops.c b/drivers/media/common/saa7146/saa7146_fops.c
index be4f80a40214..aabb830e7468 100644
--- a/drivers/media/common/saa7146/saa7146_fops.c
+++ b/drivers/media/common/saa7146/saa7146_fops.c
@@ -608,6 +608,15 @@ int saa7146_register_device(struct video_device *vfd, struct saa7146_dev *dev,
for (i = 0; i < dev->ext_vv_data->num_stds; i++)
vfd->tvnorms |= dev->ext_vv_data->stds[i].id;
strscpy(vfd->name, name, sizeof(vfd->name));
+ vfd->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OVERLAY |
+ V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
+ vfd->device_caps |= dev->ext_vv_data->capabilities;
+ if (type == VFL_TYPE_GRABBER)
+ vfd->device_caps &=
+ ~(V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_OUTPUT);
+ else
+ vfd->device_caps &=
+ ~(V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OVERLAY | V4L2_CAP_AUDIO);
video_set_drvdata(vfd, dev);
err = video_register_device(vfd, type, -1);
diff --git a/drivers/media/common/saa7146/saa7146_video.c b/drivers/media/common/saa7146/saa7146_video.c
index a0f0b5eef0bd..4c399a42e874 100644
--- a/drivers/media/common/saa7146/saa7146_video.c
+++ b/drivers/media/common/saa7146/saa7146_video.c
@@ -448,25 +448,15 @@ static int video_end(struct saa7146_fh *fh, struct file *file)
static int vidioc_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
{
- struct video_device *vdev = video_devdata(file);
struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
strscpy((char *)cap->driver, "saa7146 v4l2", sizeof(cap->driver));
strscpy((char *)cap->card, dev->ext->name, sizeof(cap->card));
sprintf((char *)cap->bus_info, "PCI:%s", pci_name(dev->pci));
- cap->device_caps =
- V4L2_CAP_VIDEO_CAPTURE |
- V4L2_CAP_VIDEO_OVERLAY |
- V4L2_CAP_READWRITE |
- V4L2_CAP_STREAMING;
- cap->device_caps |= dev->ext_vv_data->capabilities;
- cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
- if (vdev->vfl_type == VFL_TYPE_GRABBER)
- cap->device_caps &=
- ~(V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_OUTPUT);
- else
- cap->device_caps &=
- ~(V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OVERLAY | V4L2_CAP_AUDIO);
+ cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OVERLAY |
+ V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
+ V4L2_CAP_DEVICE_CAPS;
+ cap->capabilities |= dev->ext_vv_data->capabilities;
return 0;
}
diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/media/common/videobuf2/videobuf2-core.c
index 3cf25abf5807..4489744fbbd9 100644
--- a/drivers/media/common/videobuf2/videobuf2-core.c
+++ b/drivers/media/common/videobuf2/videobuf2-core.c
@@ -205,8 +205,13 @@ static int __vb2_buf_mem_alloc(struct vb2_buffer *vb)
* NOTE: mmapped areas should be page aligned
*/
for (plane = 0; plane < vb->num_planes; ++plane) {
+ /* Memops alloc requires size to be page aligned. */
unsigned long size = PAGE_ALIGN(vb->planes[plane].length);
+ /* Did it wrap around? */
+ if (size < vb->planes[plane].length)
+ goto free;
+
mem_priv = call_ptr_memop(vb, alloc,
q->alloc_devs[plane] ? : q->dev,
q->dma_attrs, size, q->dma_dir, q->gfp_flags);
diff --git a/drivers/media/common/videobuf2/videobuf2-dma-contig.c b/drivers/media/common/videobuf2/videobuf2-dma-contig.c
index ecbef266130b..7d77e4d30c8a 100644
--- a/drivers/media/common/videobuf2/videobuf2-dma-contig.c
+++ b/drivers/media/common/videobuf2/videobuf2-dma-contig.c
@@ -475,8 +475,7 @@ static void *vb2_dc_get_userptr(struct device *dev, unsigned long vaddr,
buf->dma_dir = dma_dir;
offset = lower_32_bits(offset_in_page(vaddr));
- vec = vb2_create_framevec(vaddr, size, dma_dir == DMA_FROM_DEVICE ||
- dma_dir == DMA_BIDIRECTIONAL);
+ vec = vb2_create_framevec(vaddr, size);
if (IS_ERR(vec)) {
ret = PTR_ERR(vec);
goto fail_buf;
diff --git a/drivers/media/common/videobuf2/videobuf2-dma-sg.c b/drivers/media/common/videobuf2/videobuf2-dma-sg.c
index 4a4c49d6085c..ed706b2a263c 100644
--- a/drivers/media/common/videobuf2/videobuf2-dma-sg.c
+++ b/drivers/media/common/videobuf2/videobuf2-dma-sg.c
@@ -59,7 +59,7 @@ static int vb2_dma_sg_alloc_compacted(struct vb2_dma_sg_buf *buf,
gfp_t gfp_flags)
{
unsigned int last_page = 0;
- int size = buf->size;
+ unsigned long size = buf->size;
while (size > 0) {
struct page *pages;
@@ -239,8 +239,7 @@ static void *vb2_dma_sg_get_userptr(struct device *dev, unsigned long vaddr,
buf->offset = vaddr & ~PAGE_MASK;
buf->size = size;
buf->dma_sgt = &buf->sg_table;
- vec = vb2_create_framevec(vaddr, size, dma_dir == DMA_FROM_DEVICE ||
- dma_dir == DMA_BIDIRECTIONAL);
+ vec = vb2_create_framevec(vaddr, size);
if (IS_ERR(vec))
goto userptr_fail_pfnvec;
buf->vec = vec;
diff --git a/drivers/media/common/videobuf2/videobuf2-memops.c b/drivers/media/common/videobuf2/videobuf2-memops.c
index c4a85be48ac2..6e9e05153f4e 100644
--- a/drivers/media/common/videobuf2/videobuf2-memops.c
+++ b/drivers/media/common/videobuf2/videobuf2-memops.c
@@ -26,7 +26,6 @@
* vb2_create_framevec() - map virtual addresses to pfns
* @start: Virtual user address where we start mapping
* @length: Length of a range to map
- * @write: Should we map for writing into the area
*
* This function allocates and fills in a vector with pfns corresponding to
* virtual address range passed in arguments. If pfns have corresponding pages,
@@ -35,17 +34,13 @@
* failure. Returned vector needs to be freed via vb2_destroy_pfnvec().
*/
struct frame_vector *vb2_create_framevec(unsigned long start,
- unsigned long length,
- bool write)
+ unsigned long length)
{
int ret;
unsigned long first, last;
unsigned long nr;
struct frame_vector *vec;
- unsigned int flags = FOLL_FORCE;
-
- if (write)
- flags |= FOLL_WRITE;
+ unsigned int flags = FOLL_FORCE | FOLL_WRITE;
first = start >> PAGE_SHIFT;
last = (start + length - 1) >> PAGE_SHIFT;
diff --git a/drivers/media/common/videobuf2/videobuf2-v4l2.c b/drivers/media/common/videobuf2/videobuf2-v4l2.c
index fb9ac7696fc6..40d76eb4c2fe 100644
--- a/drivers/media/common/videobuf2/videobuf2-v4l2.c
+++ b/drivers/media/common/videobuf2/videobuf2-v4l2.c
@@ -563,11 +563,6 @@ static void __fill_v4l2_buffer(struct vb2_buffer *vb, void *pb)
b->flags |= V4L2_BUF_FLAG_REQUEST_FD;
b->request_fd = vbuf->request_fd;
}
-
- if (!q->is_output &&
- b->flags & V4L2_BUF_FLAG_DONE &&
- b->flags & V4L2_BUF_FLAG_LAST)
- q->last_buffer_dequeued = true;
}
/*
@@ -786,6 +781,11 @@ int vb2_dqbuf(struct vb2_queue *q, struct v4l2_buffer *b, bool nonblocking)
ret = vb2_core_dqbuf(q, NULL, b, nonblocking);
+ if (!q->is_output &&
+ b->flags & V4L2_BUF_FLAG_DONE &&
+ b->flags & V4L2_BUF_FLAG_LAST)
+ q->last_buffer_dequeued = true;
+
/*
* After calling the VIDIOC_DQBUF V4L2_BUF_FLAG_DONE must be
* cleared.
diff --git a/drivers/media/common/videobuf2/videobuf2-vmalloc.c b/drivers/media/common/videobuf2/videobuf2-vmalloc.c
index 1c6659f7c394..04d51ca63223 100644
--- a/drivers/media/common/videobuf2/videobuf2-vmalloc.c
+++ b/drivers/media/common/videobuf2/videobuf2-vmalloc.c
@@ -87,8 +87,7 @@ static void *vb2_vmalloc_get_userptr(struct device *dev, unsigned long vaddr,
buf->dma_dir = dma_dir;
offset = vaddr & ~PAGE_MASK;
buf->size = size;
- vec = vb2_create_framevec(vaddr, size, dma_dir == DMA_FROM_DEVICE ||
- dma_dir == DMA_BIDIRECTIONAL);
+ vec = vb2_create_framevec(vaddr, size);
if (IS_ERR(vec)) {
ret = PTR_ERR(vec);
goto fail_pfnvec_create;
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