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b43117572f
commit 5de5b6ecf9 upstream.
This is confusing, and from my reading of all the drivers only
nouveau got this right.
Just make the API act under driver control of it's own allocation
failing, and don't call destroy, if the page table fails to
create there is nothing to cleanup here.
(I'm willing to believe I've missed something here, so please
review deeply).
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200728041736.20689-1-airlied@gmail.com
[bwh: Backported to 4.14:
- Drop change in ttm_sg_tt_init()
- Adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>