summaryrefslogtreecommitdiffstats
path: root/drivers/media
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/dvb-frontends/drxk_hard.c2
-rw-r--r--drivers/media/pci/cx88/cx88-vbi.c9
-rw-r--r--drivers/media/pci/cx88/cx88-video.c43
-rw-r--r--drivers/media/platform/cros-ec-cec/cros-ec-cec.c2
-rw-r--r--drivers/media/platform/exynos4-is/fimc-is.c1
-rw-r--r--drivers/media/platform/qcom/venus/vdec.c2
-rw-r--r--drivers/media/platform/s5p-cec/s5p_cec.c2
-rw-r--r--drivers/media/platform/vivid/vivid-core.c22
-rw-r--r--drivers/media/platform/vivid/vivid-core.h2
-rw-r--r--drivers/media/platform/vivid/vivid-vid-cap.c27
-rw-r--r--drivers/media/platform/xilinx/xilinx-vipp.c9
-rw-r--r--drivers/media/v4l2-core/v4l2-dv-timings.c22
-rw-r--r--drivers/media/v4l2-core/v4l2-mem2mem.c62
13 files changed, 151 insertions, 54 deletions
diff --git a/drivers/media/dvb-frontends/drxk_hard.c b/drivers/media/dvb-frontends/drxk_hard.c
index 84ac3f73f..100a3a0b2 100644
--- a/drivers/media/dvb-frontends/drxk_hard.c
+++ b/drivers/media/dvb-frontends/drxk_hard.c
@@ -6694,7 +6694,7 @@ static int drxk_read_snr(struct dvb_frontend *fe, u16 *snr)
static int drxk_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
{
struct drxk_state *state = fe->demodulator_priv;
- u16 err;
+ u16 err = 0;
dprintk(1, "\n");
diff --git a/drivers/media/pci/cx88/cx88-vbi.c b/drivers/media/pci/cx88/cx88-vbi.c
index 58489ea0c..7cf227186 100644
--- a/drivers/media/pci/cx88/cx88-vbi.c
+++ b/drivers/media/pci/cx88/cx88-vbi.c
@@ -144,11 +144,10 @@ static int buffer_prepare(struct vb2_buffer *vb)
return -EINVAL;
vb2_set_plane_payload(vb, 0, size);
- cx88_risc_buffer(dev->pci, &buf->risc, sgt->sgl,
- 0, VBI_LINE_LENGTH * lines,
- VBI_LINE_LENGTH, 0,
- lines);
- return 0;
+ return cx88_risc_buffer(dev->pci, &buf->risc, sgt->sgl,
+ 0, VBI_LINE_LENGTH * lines,
+ VBI_LINE_LENGTH, 0,
+ lines);
}
static void buffer_finish(struct vb2_buffer *vb)
diff --git a/drivers/media/pci/cx88/cx88-video.c b/drivers/media/pci/cx88/cx88-video.c
index 248fb3b68..2bc508019 100644
--- a/drivers/media/pci/cx88/cx88-video.c
+++ b/drivers/media/pci/cx88/cx88-video.c
@@ -452,6 +452,7 @@ static int queue_setup(struct vb2_queue *q,
static int buffer_prepare(struct vb2_buffer *vb)
{
+ int ret;
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
struct cx88_core *core = dev->core;
@@ -466,35 +467,35 @@ static int buffer_prepare(struct vb2_buffer *vb)
switch (core->field) {
case V4L2_FIELD_TOP:
- cx88_risc_buffer(dev->pci, &buf->risc,
- sgt->sgl, 0, UNSET,
- buf->bpl, 0, core->height);
+ ret = cx88_risc_buffer(dev->pci, &buf->risc,
+ sgt->sgl, 0, UNSET,
+ buf->bpl, 0, core->height);
break;
case V4L2_FIELD_BOTTOM:
- cx88_risc_buffer(dev->pci, &buf->risc,
- sgt->sgl, UNSET, 0,
- buf->bpl, 0, core->height);
+ ret = cx88_risc_buffer(dev->pci, &buf->risc,
+ sgt->sgl, UNSET, 0,
+ buf->bpl, 0, core->height);
break;
case V4L2_FIELD_SEQ_TB:
- cx88_risc_buffer(dev->pci, &buf->risc,
- sgt->sgl,
- 0, buf->bpl * (core->height >> 1),
- buf->bpl, 0,
- core->height >> 1);
+ ret = cx88_risc_buffer(dev->pci, &buf->risc,
+ sgt->sgl,
+ 0, buf->bpl * (core->height >> 1),
+ buf->bpl, 0,
+ core->height >> 1);
break;
case V4L2_FIELD_SEQ_BT:
- cx88_risc_buffer(dev->pci, &buf->risc,
- sgt->sgl,
- buf->bpl * (core->height >> 1), 0,
- buf->bpl, 0,
- core->height >> 1);
+ ret = cx88_risc_buffer(dev->pci, &buf->risc,
+ sgt->sgl,
+ buf->bpl * (core->height >> 1), 0,
+ buf->bpl, 0,
+ core->height >> 1);
break;
case V4L2_FIELD_INTERLACED:
default:
- cx88_risc_buffer(dev->pci, &buf->risc,
- sgt->sgl, 0, buf->bpl,
- buf->bpl, buf->bpl,
- core->height >> 1);
+ ret = cx88_risc_buffer(dev->pci, &buf->risc,
+ sgt->sgl, 0, buf->bpl,
+ buf->bpl, buf->bpl,
+ core->height >> 1);
break;
}
dprintk(2,
@@ -502,7 +503,7 @@ static int buffer_prepare(struct vb2_buffer *vb)
buf, buf->vb.vb2_buf.index,
core->width, core->height, dev->fmt->depth, dev->fmt->name,
(unsigned long)buf->risc.dma);
- return 0;
+ return ret;
}
static void buffer_finish(struct vb2_buffer *vb)
diff --git a/drivers/media/platform/cros-ec-cec/cros-ec-cec.c b/drivers/media/platform/cros-ec-cec/cros-ec-cec.c
index 7bc4d8a9a..1f3577024 100644
--- a/drivers/media/platform/cros-ec-cec/cros-ec-cec.c
+++ b/drivers/media/platform/cros-ec-cec/cros-ec-cec.c
@@ -44,6 +44,8 @@ static void handle_cec_message(struct cros_ec_cec *cros_ec_cec)
uint8_t *cec_message = cros_ec->event_data.data.cec_message;
unsigned int len = cros_ec->event_size;
+ if (len > CEC_MAX_MSG_SIZE)
+ len = CEC_MAX_MSG_SIZE;
cros_ec_cec->rx_msg.len = len;
memcpy(cros_ec_cec->rx_msg.msg, cec_message, len);
diff --git a/drivers/media/platform/exynos4-is/fimc-is.c b/drivers/media/platform/exynos4-is/fimc-is.c
index 0f3f82bd4..6f59fe02c 100644
--- a/drivers/media/platform/exynos4-is/fimc-is.c
+++ b/drivers/media/platform/exynos4-is/fimc-is.c
@@ -217,6 +217,7 @@ static int fimc_is_register_subdevs(struct fimc_is *is)
if (ret < 0 || index >= FIMC_IS_SENSORS_NUM) {
of_node_put(child);
+ of_node_put(i2c_bus);
return ret;
}
index++;
diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c
index e3972dbf4..177a1bf2b 100644
--- a/drivers/media/platform/qcom/venus/vdec.c
+++ b/drivers/media/platform/qcom/venus/vdec.c
@@ -155,6 +155,8 @@ vdec_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f)
else
return NULL;
fmt = find_format(inst, pixmp->pixelformat, f->type);
+ if (!fmt)
+ return NULL;
}
pixmp->width = clamp(pixmp->width, frame_width_min(inst),
diff --git a/drivers/media/platform/s5p-cec/s5p_cec.c b/drivers/media/platform/s5p-cec/s5p_cec.c
index 3032247c6..554c8f2b6 100644
--- a/drivers/media/platform/s5p-cec/s5p_cec.c
+++ b/drivers/media/platform/s5p-cec/s5p_cec.c
@@ -116,6 +116,8 @@ static irqreturn_t s5p_cec_irq_handler(int irq, void *priv)
dev_dbg(cec->dev, "Buffer overrun (worker did not process previous message)\n");
cec->rx = STATE_BUSY;
cec->msg.len = status >> 24;
+ if (cec->msg.len > CEC_MAX_MSG_SIZE)
+ cec->msg.len = CEC_MAX_MSG_SIZE;
cec->msg.rx_status = CEC_RX_STATUS_OK;
s5p_cec_get_rx_buf(cec, cec->msg.len,
cec->msg.msg);
diff --git a/drivers/media/platform/vivid/vivid-core.c b/drivers/media/platform/vivid/vivid-core.c
index b603ca412..e8cd189ec 100644
--- a/drivers/media/platform/vivid/vivid-core.c
+++ b/drivers/media/platform/vivid/vivid-core.c
@@ -297,6 +297,28 @@ static int vidioc_g_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *a
return vivid_vid_out_g_fbuf(file, fh, a);
}
+/*
+ * Only support the framebuffer of one of the vivid instances.
+ * Anything else is rejected.
+ */
+bool vivid_validate_fb(const struct v4l2_framebuffer *a)
+{
+ struct vivid_dev *dev;
+ int i;
+
+ for (i = 0; i < n_devs; i++) {
+ dev = vivid_devs[i];
+ if (!dev || !dev->video_pbase)
+ continue;
+ if ((unsigned long)a->base == dev->video_pbase &&
+ a->fmt.width <= dev->display_width &&
+ a->fmt.height <= dev->display_height &&
+ a->fmt.bytesperline <= dev->display_byte_stride)
+ return true;
+ }
+ return false;
+}
+
static int vidioc_s_fbuf(struct file *file, void *fh, const struct v4l2_framebuffer *a)
{
struct video_device *vdev = video_devdata(file);
diff --git a/drivers/media/platform/vivid/vivid-core.h b/drivers/media/platform/vivid/vivid-core.h
index cd4c82305..6ea4448df 100644
--- a/drivers/media/platform/vivid/vivid-core.h
+++ b/drivers/media/platform/vivid/vivid-core.h
@@ -551,4 +551,6 @@ static inline bool vivid_is_hdmi_out(const struct vivid_dev *dev)
return dev->output_type[dev->output] == HDMI;
}
+bool vivid_validate_fb(const struct v4l2_framebuffer *a);
+
#endif
diff --git a/drivers/media/platform/vivid/vivid-vid-cap.c b/drivers/media/platform/vivid/vivid-vid-cap.c
index c58ae489f..48f2c9c96 100644
--- a/drivers/media/platform/vivid/vivid-vid-cap.c
+++ b/drivers/media/platform/vivid/vivid-vid-cap.c
@@ -441,6 +441,12 @@ void vivid_update_format_cap(struct vivid_dev *dev, bool keep_controls)
tpg_reset_source(&dev->tpg, dev->src_rect.width, dev->src_rect.height, dev->field_cap);
dev->crop_cap = dev->src_rect;
dev->crop_bounds_cap = dev->src_rect;
+ if (dev->bitmap_cap &&
+ (dev->compose_cap.width != dev->crop_cap.width ||
+ dev->compose_cap.height != dev->crop_cap.height)) {
+ vfree(dev->bitmap_cap);
+ dev->bitmap_cap = NULL;
+ }
dev->compose_cap = dev->crop_cap;
if (V4L2_FIELD_HAS_T_OR_B(dev->field_cap))
dev->compose_cap.height /= 2;
@@ -871,6 +877,8 @@ int vivid_vid_cap_s_selection(struct file *file, void *fh, struct v4l2_selection
struct vivid_dev *dev = video_drvdata(file);
struct v4l2_rect *crop = &dev->crop_cap;
struct v4l2_rect *compose = &dev->compose_cap;
+ unsigned orig_compose_w = compose->width;
+ unsigned orig_compose_h = compose->height;
unsigned factor = V4L2_FIELD_HAS_T_OR_B(dev->field_cap) ? 2 : 1;
int ret;
@@ -987,17 +995,17 @@ int vivid_vid_cap_s_selection(struct file *file, void *fh, struct v4l2_selection
s->r.height /= factor;
}
v4l2_rect_map_inside(&s->r, &dev->fmt_cap_rect);
- if (dev->bitmap_cap && (compose->width != s->r.width ||
- compose->height != s->r.height)) {
- vfree(dev->bitmap_cap);
- dev->bitmap_cap = NULL;
- }
*compose = s->r;
break;
default:
return -EINVAL;
}
+ if (dev->bitmap_cap && (compose->width != orig_compose_w ||
+ compose->height != orig_compose_h)) {
+ vfree(dev->bitmap_cap);
+ dev->bitmap_cap = NULL;
+ }
tpg_s_crop_compose(&dev->tpg, crop, compose);
return 0;
}
@@ -1240,7 +1248,14 @@ int vivid_vid_cap_s_fbuf(struct file *file, void *fh,
return -EINVAL;
if (a->fmt.bytesperline < (a->fmt.width * fmt->bit_depth[0]) / 8)
return -EINVAL;
- if (a->fmt.height * a->fmt.bytesperline < a->fmt.sizeimage)
+ if (a->fmt.bytesperline > a->fmt.sizeimage / a->fmt.height)
+ return -EINVAL;
+
+ /*
+ * Only support the framebuffer of one of the vivid instances.
+ * Anything else is rejected.
+ */
+ if (!vivid_validate_fb(a))
return -EINVAL;
dev->fb_vbase_cap = phys_to_virt((unsigned long)a->base);
diff --git a/drivers/media/platform/xilinx/xilinx-vipp.c b/drivers/media/platform/xilinx/xilinx-vipp.c
index 6d95ec1e9..9177db789 100644
--- a/drivers/media/platform/xilinx/xilinx-vipp.c
+++ b/drivers/media/platform/xilinx/xilinx-vipp.c
@@ -464,7 +464,7 @@ static int xvip_graph_dma_init(struct xvip_composite_device *xdev)
{
struct device_node *ports;
struct device_node *port;
- int ret;
+ int ret = 0;
ports = of_get_child_by_name(xdev->dev->of_node, "ports");
if (ports == NULL) {
@@ -474,13 +474,14 @@ static int xvip_graph_dma_init(struct xvip_composite_device *xdev)
for_each_child_of_node(ports, port) {
ret = xvip_graph_dma_init_one(xdev, port);
- if (ret < 0) {
+ if (ret) {
of_node_put(port);
- return ret;
+ break;
}
}
- return 0;
+ of_node_put(ports);
+ return ret;
}
static void xvip_graph_cleanup(struct xvip_composite_device *xdev)
diff --git a/drivers/media/v4l2-core/v4l2-dv-timings.c b/drivers/media/v4l2-core/v4l2-dv-timings.c
index af38c989f..ec7d7f643 100644
--- a/drivers/media/v4l2-core/v4l2-dv-timings.c
+++ b/drivers/media/v4l2-core/v4l2-dv-timings.c
@@ -145,6 +145,8 @@ bool v4l2_valid_dv_timings(const struct v4l2_dv_timings *t,
const struct v4l2_bt_timings *bt = &t->bt;
const struct v4l2_bt_timings_cap *cap = &dvcap->bt;
u32 caps = cap->capabilities;
+ const u32 max_vert = 10240;
+ u32 max_hor = 3 * bt->width;
if (t->type != V4L2_DV_BT_656_1120)
return false;
@@ -161,6 +163,26 @@ bool v4l2_valid_dv_timings(const struct v4l2_dv_timings *t,
(bt->interlaced && !(caps & V4L2_DV_BT_CAP_INTERLACED)) ||
(!bt->interlaced && !(caps & V4L2_DV_BT_CAP_PROGRESSIVE)))
return false;
+
+ /* sanity checks for the blanking timings */
+ if (!bt->interlaced &&
+ (bt->il_vbackporch || bt->il_vsync || bt->il_vfrontporch))
+ return false;
+ /*
+ * Some video receivers cannot properly separate the frontporch,
+ * backporch and sync values, and instead they only have the total
+ * blanking. That can be assigned to any of these three fields.
+ * So just check that none of these are way out of range.
+ */
+ if (bt->hfrontporch > max_hor ||
+ bt->hsync > max_hor || bt->hbackporch > max_hor)
+ return false;
+ if (bt->vfrontporch > max_vert ||
+ bt->vsync > max_vert || bt->vbackporch > max_vert)
+ return false;
+ if (bt->interlaced && (bt->il_vfrontporch > max_vert ||
+ bt->il_vsync > max_vert || bt->il_vbackporch > max_vert))
+ return false;
return fnc == NULL || fnc(t, fnc_handle);
}
EXPORT_SYMBOL_GPL(v4l2_valid_dv_timings);
diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-core/v4l2-mem2mem.c
index fc237b820..75c510077 100644
--- a/drivers/media/v4l2-core/v4l2-mem2mem.c
+++ b/drivers/media/v4l2-core/v4l2-mem2mem.c
@@ -445,19 +445,14 @@ int v4l2_m2m_reqbufs(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
}
EXPORT_SYMBOL_GPL(v4l2_m2m_reqbufs);
-int v4l2_m2m_querybuf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
- struct v4l2_buffer *buf)
+static void v4l2_m2m_adjust_mem_offset(struct vb2_queue *vq,
+ struct v4l2_buffer *buf)
{
- struct vb2_queue *vq;
- int ret = 0;
- unsigned int i;
-
- vq = v4l2_m2m_get_vq(m2m_ctx, buf->type);
- ret = vb2_querybuf(vq, buf);
-
/* Adjust MMAP memory offsets for the CAPTURE queue */
if (buf->memory == V4L2_MEMORY_MMAP && !V4L2_TYPE_IS_OUTPUT(vq->type)) {
if (V4L2_TYPE_IS_MULTIPLANAR(vq->type)) {
+ unsigned int i;
+
for (i = 0; i < buf->length; ++i)
buf->m.planes[i].m.mem_offset
+= DST_QUEUE_OFF_BASE;
@@ -465,8 +460,23 @@ int v4l2_m2m_querybuf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
buf->m.offset += DST_QUEUE_OFF_BASE;
}
}
+}
- return ret;
+int v4l2_m2m_querybuf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
+ struct v4l2_buffer *buf)
+{
+ struct vb2_queue *vq;
+ int ret;
+
+ vq = v4l2_m2m_get_vq(m2m_ctx, buf->type);
+ ret = vb2_querybuf(vq, buf);
+ if (ret)
+ return ret;
+
+ /* Adjust MMAP memory offsets for the CAPTURE queue */
+ v4l2_m2m_adjust_mem_offset(vq, buf);
+
+ return 0;
}
EXPORT_SYMBOL_GPL(v4l2_m2m_querybuf);
@@ -478,10 +488,15 @@ int v4l2_m2m_qbuf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
vq = v4l2_m2m_get_vq(m2m_ctx, buf->type);
ret = vb2_qbuf(vq, buf);
- if (!ret)
- v4l2_m2m_try_schedule(m2m_ctx);
+ if (ret)
+ return ret;
- return ret;
+ /* Adjust MMAP memory offsets for the CAPTURE queue */
+ v4l2_m2m_adjust_mem_offset(vq, buf);
+
+ v4l2_m2m_try_schedule(m2m_ctx);
+
+ return 0;
}
EXPORT_SYMBOL_GPL(v4l2_m2m_qbuf);
@@ -489,9 +504,17 @@ int v4l2_m2m_dqbuf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
struct v4l2_buffer *buf)
{
struct vb2_queue *vq;
+ int ret;
vq = v4l2_m2m_get_vq(m2m_ctx, buf->type);
- return vb2_dqbuf(vq, buf, file->f_flags & O_NONBLOCK);
+ ret = vb2_dqbuf(vq, buf, file->f_flags & O_NONBLOCK);
+ if (ret)
+ return ret;
+
+ /* Adjust MMAP memory offsets for the CAPTURE queue */
+ v4l2_m2m_adjust_mem_offset(vq, buf);
+
+ return 0;
}
EXPORT_SYMBOL_GPL(v4l2_m2m_dqbuf);
@@ -503,10 +526,15 @@ int v4l2_m2m_prepare_buf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
vq = v4l2_m2m_get_vq(m2m_ctx, buf->type);
ret = vb2_prepare_buf(vq, buf);
- if (!ret)
- v4l2_m2m_try_schedule(m2m_ctx);
+ if (ret)
+ return ret;
- return ret;
+ /* Adjust MMAP memory offsets for the CAPTURE queue */
+ v4l2_m2m_adjust_mem_offset(vq, buf);
+
+ v4l2_m2m_try_schedule(m2m_ctx);
+
+ return 0;
}
EXPORT_SYMBOL_GPL(v4l2_m2m_prepare_buf);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-25 01:32:54 +0000