summaryrefslogtreecommitdiff
path: root/src/v4l2/v4l2_camera_proxy.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/v4l2/v4l2_camera_proxy.cpp')
-rw-r--r--src/v4l2/v4l2_camera_proxy.cpp9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/v4l2/v4l2_camera_proxy.cpp b/src/v4l2/v4l2_camera_proxy.cpp
index a222795d..941237c3 100644
--- a/src/v4l2/v4l2_camera_proxy.cpp
+++ b/src/v4l2/v4l2_camera_proxy.cpp
@@ -539,6 +539,9 @@ int V4L2CameraProxy::vidioc_querybuf(V4L2CameraFile *file, struct v4l2_buffer *a
{
LOG(V4L2Compat, Debug) << "Servicing vidioc_querybuf fd = " << file->efd();
+ if (arg->index >= bufferCount_)
+ return -EINVAL;
+
if (!validateBufferType(arg->type) ||
arg->index >= bufferCount_)
return -EINVAL;
@@ -555,6 +558,9 @@ int V4L2CameraProxy::vidioc_qbuf(V4L2CameraFile *file, struct v4l2_buffer *arg)
LOG(V4L2Compat, Debug) << "Servicing vidioc_qbuf, index = "
<< arg->index << " fd = " << file->efd();
+ if (arg->index >= bufferCount_)
+ return -EINVAL;
+
if (!hasOwnership(file))
return -EBUSY;
@@ -577,6 +583,9 @@ int V4L2CameraProxy::vidioc_dqbuf(V4L2CameraFile *file, struct v4l2_buffer *arg)
{
LOG(V4L2Compat, Debug) << "Servicing vidioc_dqbuf fd = " << file->efd();
+ if (arg->index >= bufferCount_)
+ return -EINVAL;
+
if (!hasOwnership(file))
return -EBUSY;