diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c index d2576f6391c0..0d7e38d6ff6a 100644 --- a/drivers/media/video/uvc/uvc_ctrl.c +++ b/drivers/media/video/uvc/uvc_ctrl.c @@ -786,7 +786,7 @@ int uvc_query_v4l2_ctrl(struct uvc_video_device *video, memset(v4l2_ctrl, 0, sizeof *v4l2_ctrl); v4l2_ctrl->id = mapping->id; v4l2_ctrl->type = mapping->v4l2_type; - strncpy(v4l2_ctrl->name, mapping->name, sizeof v4l2_ctrl->name); + strlcpy(v4l2_ctrl->name, mapping->name, sizeof v4l2_ctrl->name); v4l2_ctrl->flags = 0; if (!(ctrl->info->flags & UVC_CONTROL_SET_CUR)) diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c index b12873265cc5..6dba5ead8836 100644 --- a/drivers/media/video/uvc/uvc_driver.c +++ b/drivers/media/video/uvc/uvc_driver.c @@ -314,7 +314,7 @@ static int uvc_parse_format(struct uvc_device *dev, fmtdesc = uvc_format_by_guid(&buffer[5]); if (fmtdesc != NULL) { - strncpy(format->name, fmtdesc->name, + strlcpy(format->name, fmtdesc->name, sizeof format->name); format->fcc = fmtdesc->fcc; } else { @@ -345,7 +345,7 @@ static int uvc_parse_format(struct uvc_device *dev, return -EINVAL; } - strncpy(format->name, "MJPEG", sizeof format->name); + strlcpy(format->name, "MJPEG", sizeof format->name); format->fcc = V4L2_PIX_FMT_MJPEG; format->flags = UVC_FMT_FLAG_COMPRESSED; format->bpp = 0; @@ -363,13 +363,13 @@ static int uvc_parse_format(struct uvc_device *dev, switch (buffer[8] & 0x7f) { case 0: - strncpy(format->name, "SD-DV", sizeof format->name); + strlcpy(format->name, "SD-DV", sizeof format->name); break; case 1: - strncpy(format->name, "SDL-DV", sizeof format->name); + strlcpy(format->name, "SDL-DV", sizeof format->name); break; case 2: - strncpy(format->name, "HD-DV", sizeof format->name); + strlcpy(format->name, "HD-DV", sizeof format->name); break; default: uvc_trace(UVC_TRACE_DESCR, "device %d videostreaming" @@ -379,7 +379,7 @@ static int uvc_parse_format(struct uvc_device *dev, return -EINVAL; } - strncat(format->name, buffer[8] & (1 << 7) ? " 60Hz" : " 50Hz", + strlcat(format->name, buffer[8] & (1 << 7) ? " 60Hz" : " 50Hz", sizeof format->name); format->fcc = V4L2_PIX_FMT_DV; @@ -1526,7 +1526,7 @@ static int uvc_register_video(struct uvc_device *dev) vdev->minor = -1; vdev->fops = &uvc_fops; vdev->release = video_device_release; - strncpy(vdev->name, dev->name, sizeof vdev->name); + strlcpy(vdev->name, dev->name, sizeof vdev->name); /* Set the driver data before calling video_register_device, otherwise * uvc_v4l2_open might race us. @@ -1621,7 +1621,7 @@ static int uvc_probe(struct usb_interface *intf, dev->quirks = id->driver_info | uvc_quirks_param; if (udev->product != NULL) - strncpy(dev->name, udev->product, sizeof dev->name); + strlcpy(dev->name, udev->product, sizeof dev->name); else snprintf(dev->name, sizeof dev->name, "UVC Camera (%04x:%04x)", diff --git a/drivers/media/video/uvc/uvc_v4l2.c b/drivers/media/video/uvc/uvc_v4l2.c index d681519d0c8a..011ebd4da44a 100644 --- a/drivers/media/video/uvc/uvc_v4l2.c +++ b/drivers/media/video/uvc/uvc_v4l2.c @@ -55,7 +55,7 @@ static int uvc_v4l2_query_menu(struct uvc_video_device *video, return -EINVAL; menu_info = &mapping->menu_info[query_menu->index]; - strncpy(query_menu->name, menu_info->name, 32); + strlcpy(query_menu->name, menu_info->name, sizeof query_menu->name); return 0; } @@ -486,9 +486,9 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) struct v4l2_capability *cap = arg; memset(cap, 0, sizeof *cap); - strncpy(cap->driver, "uvcvideo", sizeof cap->driver); - strncpy(cap->card, vdev->name, 32); - strncpy(cap->bus_info, video->dev->udev->bus->bus_name, + strlcpy(cap->driver, "uvcvideo", sizeof cap->driver); + strlcpy(cap->card, vdev->name, sizeof cap->card); + strlcpy(cap->bus_info, video->dev->udev->bus->bus_name, sizeof cap->bus_info); cap->version = DRIVER_VERSION_NUMBER; if (video->streaming->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) @@ -620,7 +620,7 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) memset(input, 0, sizeof *input); input->index = index; - strncpy(input->name, iterm->name, sizeof input->name); + strlcpy(input->name, iterm->name, sizeof input->name); if (UVC_ENTITY_TYPE(iterm) == ITT_CAMERA) input->type = V4L2_INPUT_TYPE_CAMERA; break; @@ -682,7 +682,7 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) fmt->flags = 0; if (format->flags & UVC_FMT_FLAG_COMPRESSED) fmt->flags |= V4L2_FMT_FLAG_COMPRESSED; - strncpy(fmt->description, format->name, + strlcpy(fmt->description, format->name, sizeof fmt->description); fmt->description[sizeof fmt->description - 1] = 0; fmt->pixelformat = format->fcc;