diff options
Diffstat (limited to 'drivers/media/v4l2-core')
-rw-r--r-- | drivers/media/v4l2-core/v4l2-subdev.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c index 4036d30450d3..21fb90d66bfc 100644 --- a/drivers/media/v4l2-core/v4l2-subdev.c +++ b/drivers/media/v4l2-core/v4l2-subdev.c @@ -136,20 +136,30 @@ static inline int check_pad(struct v4l2_subdev *sd, __u32 pad) return 0; } +static int check_cfg(__u32 which, struct v4l2_subdev_pad_config *cfg) +{ + if (which == V4L2_SUBDEV_FORMAT_TRY && !cfg) + return -EINVAL; + + return 0; +} + static inline int check_format(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_format *format) { if (!format) return -EINVAL; - return check_which(format->which) ? : check_pad(sd, format->pad); + return check_which(format->which) ? : check_pad(sd, format->pad) ? : + check_cfg(format->which, cfg); } static int call_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_format *format) { - return check_format(sd, format) ? : + return check_format(sd, cfg, format) ? : sd->ops->pad->get_fmt(sd, cfg, format); } @@ -157,7 +167,7 @@ static int call_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_format *format) { - return check_format(sd, format) ? : + return check_format(sd, cfg, format) ? : sd->ops->pad->set_fmt(sd, cfg, format); } @@ -169,6 +179,7 @@ static int call_enum_mbus_code(struct v4l2_subdev *sd, return -EINVAL; return check_which(code->which) ? : check_pad(sd, code->pad) ? : + check_cfg(code->which, cfg) ? : sd->ops->pad->enum_mbus_code(sd, cfg, code); } @@ -180,6 +191,7 @@ static int call_enum_frame_size(struct v4l2_subdev *sd, return -EINVAL; return check_which(fse->which) ? : check_pad(sd, fse->pad) ? : + check_cfg(fse->which, cfg) ? : sd->ops->pad->enum_frame_size(sd, cfg, fse); } @@ -214,23 +226,26 @@ static int call_enum_frame_interval(struct v4l2_subdev *sd, return -EINVAL; return check_which(fie->which) ? : check_pad(sd, fie->pad) ? : + check_cfg(fie->which, cfg) ? : sd->ops->pad->enum_frame_interval(sd, cfg, fie); } static inline int check_selection(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_selection *sel) { if (!sel) return -EINVAL; - return check_which(sel->which) ? : check_pad(sd, sel->pad); + return check_which(sel->which) ? : check_pad(sd, sel->pad) ? : + check_cfg(sel->which, cfg); } static int call_get_selection(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_selection *sel) { - return check_selection(sd, sel) ? : + return check_selection(sd, cfg, sel) ? : sd->ops->pad->get_selection(sd, cfg, sel); } @@ -238,7 +253,7 @@ static int call_set_selection(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_selection *sel) { - return check_selection(sd, sel) ? : + return check_selection(sd, cfg, sel) ? : sd->ops->pad->set_selection(sd, cfg, sel); } |