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DRM_VMA_NODE_VERIFY_(9) DRM Core DRM_VMA_NODE_VERIFY_(9)

NAME

drm_vma_node_verify_access - Access verification helper for TTM

SYNOPSIS

int drm_vma_node_verify_access(struct drm_vma_offset_node * node, struct file * filp);

ARGUMENTS

node
Offset node
filp
Open-file

DESCRIPTION

This checks whether filp is granted access to node. It is the same as drm_vma_node_is_allowed but suitable as drop-in helper for TTM verify_access callbacks.

RETURNS

0 if access is granted, -EACCES otherwise.

AUTHORS

Jesse Barnes <jesse.barnes@intel.com>
 
Intel Corporation,
Initial version
Laurent Pinchart <laurent.pinchart@ideasonboard.com>
 
Ideas on board SPRL,
Driver internals
Daniel Vetter <daniel.vetter@ffwll.ch>
 
Intel Corporation,
Contributions all over the place

COPYRIGHT

May 2018 Kernel Hackers Manual 3.16