diff options
Diffstat (limited to 'drivers/media/usb/uvc')
| -rw-r--r-- | drivers/media/usb/uvc/uvc_ctrl.c | 4 | ||||
| -rw-r--r-- | drivers/media/usb/uvc/uvc_driver.c | 13 | ||||
| -rw-r--r-- | drivers/media/usb/uvc/uvc_v4l2.c | 6 | ||||
| -rw-r--r-- | drivers/media/usb/uvc/uvc_video.c | 4 | ||||
| -rw-r--r-- | drivers/media/usb/uvc/uvcvideo.h | 2 |
5 files changed, 16 insertions, 13 deletions
diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c index 30bfe9069a1f..b4f6edf968bc 100644 --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -1638,8 +1638,8 @@ static int uvc_ctrl_find_ctrl_idx(struct uvc_entity *entity, struct v4l2_ext_controls *ctrls, struct uvc_control *uvc_control) { - struct uvc_control_mapping *mapping; - struct uvc_control *ctrl_found; + struct uvc_control_mapping *mapping = NULL; + struct uvc_control *ctrl_found = NULL; unsigned int i; if (!entity) diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c index 7c007426e082..5f394d4efc21 100644 --- a/drivers/media/usb/uvc/uvc_driver.c +++ b/drivers/media/usb/uvc/uvc_driver.c @@ -256,7 +256,7 @@ static struct uvc_format_desc *uvc_format_by_guid(const u8 guid[16]) static enum v4l2_colorspace uvc_colorspace(const u8 primaries) { static const enum v4l2_colorspace colorprimaries[] = { - V4L2_COLORSPACE_DEFAULT, /* Unspecified */ + V4L2_COLORSPACE_SRGB, /* Unspecified */ V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_470_SYSTEM_M, V4L2_COLORSPACE_470_SYSTEM_BG, @@ -267,7 +267,7 @@ static enum v4l2_colorspace uvc_colorspace(const u8 primaries) if (primaries < ARRAY_SIZE(colorprimaries)) return colorprimaries[primaries]; - return V4L2_COLORSPACE_DEFAULT; /* Reserved */ + return V4L2_COLORSPACE_SRGB; /* Reserved */ } static enum v4l2_xfer_func uvc_xfer_func(const u8 transfer_characteristics) @@ -769,6 +769,8 @@ static int uvc_parse_format(struct uvc_device *dev, buflen -= buffer[0]; buffer += buffer[0]; + } else { + format->colorspace = V4L2_COLORSPACE_SRGB; } return buffer - start; @@ -2193,7 +2195,6 @@ int uvc_register_video_device(struct uvc_device *dev, const struct v4l2_file_operations *fops, const struct v4l2_ioctl_ops *ioctl_ops) { - const char *name; int ret; /* Initialize the video buffers queue. */ @@ -2222,20 +2223,16 @@ int uvc_register_video_device(struct uvc_device *dev, case V4L2_BUF_TYPE_VIDEO_CAPTURE: default: vdev->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; - name = "Video Capture"; break; case V4L2_BUF_TYPE_VIDEO_OUTPUT: vdev->device_caps = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING; - name = "Video Output"; break; case V4L2_BUF_TYPE_META_CAPTURE: vdev->device_caps = V4L2_CAP_META_CAPTURE | V4L2_CAP_STREAMING; - name = "Metadata"; break; } - snprintf(vdev->name, sizeof(vdev->name), "%s %u", name, - stream->header.bTerminalLink); + strscpy(vdev->name, dev->name, sizeof(vdev->name)); /* * Set the driver data before calling video_register_device, otherwise diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c index f4e4aff8ddf7..711556d13d03 100644 --- a/drivers/media/usb/uvc/uvc_v4l2.c +++ b/drivers/media/usb/uvc/uvc_v4l2.c @@ -44,8 +44,10 @@ static int uvc_ioctl_ctrl_map(struct uvc_video_chain *chain, if (v4l2_ctrl_get_name(map->id) == NULL) { map->name = kmemdup(xmap->name, sizeof(xmap->name), GFP_KERNEL); - if (!map->name) - return -ENOMEM; + if (!map->name) { + ret = -ENOMEM; + goto free_map; + } } memcpy(map->entity, xmap->entity, sizeof(map->entity)); map->selector = xmap->selector; diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index 9f37eaf28ce7..1b4cc934109e 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -1963,6 +1963,10 @@ static int uvc_video_start_transfer(struct uvc_streaming *stream, if (ep == NULL) return -EIO; + /* Reject broken descriptors. */ + if (usb_endpoint_maxp(&ep->desc) == 0) + return -EIO; + ret = uvc_init_video_bulk(stream, ep, gfp_flags); } diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h index 2e5366143b81..143230b3275b 100644 --- a/drivers/media/usb/uvc/uvcvideo.h +++ b/drivers/media/usb/uvc/uvcvideo.h @@ -189,7 +189,7 @@ /* Maximum status buffer size in bytes of interrupt URB. */ #define UVC_MAX_STATUS_SIZE 16 -#define UVC_CTRL_CONTROL_TIMEOUT 500 +#define UVC_CTRL_CONTROL_TIMEOUT 5000 #define UVC_CTRL_STREAMING_TIMEOUT 5000 /* Maximum allowed number of control mappings per device */ |