drm/ttm, drm/vmwgfx: Relax permission checking when opening surfaces

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commit fe25deb773 upstream.

Previously, when a surface was opened using a legacy (non prime) handle,
it was verified to have been created by a client in the same master realm.
Relax this so that opening is also allowed recursively if the client
already has the surface open.

This works around a regression in svga mesa where opening of a shared
surface is used recursively to obtain surface information.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Thomas Hellstrom 2017-03-27 11:21:25 +02:00 • committed by Greg Kroah-Hartman

parent 604d2eac67

commit b116797b81

5 changed files with 24 additions and 23 deletions

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include/drm/ttm/ttm_object.h

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