media: v4l2-compat-ioctl32.c: add capabilities field to, v4l2_input32

[pandora-kernel.git] / drivers / media / video / v4l2-ioctl.c

diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c
index e1da8fc..639abee 100644 (file)
--- a/drivers/media/video/v4l2-ioctl.c
+++ b/drivers/media/video/v4l2-ioctl.c
@@ -2226,6 +2226,10 @@ static int check_array_args(unsigned int cmd, void *parg, size_t *array_size,
                struct v4l2_ext_controls *ctrls = parg;
 
                if (ctrls->count != 0) {
+                       if (ctrls->count > V4L2_CID_MAX_CTRLS) {
+                               ret = -EINVAL;
+                               break;
+                       }
                        *user_ptr = (void __user *)ctrls->controls;
                        *kernel_ptr = (void *)&ctrls->controls;
                        *array_size = sizeof(struct v4l2_ext_control)