[Bug 117861] DRM dead lock code path

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=117861

--- Comment #3 from Alex Deucher <alexdeucher at gmail.com> ---
fixed in:
https://cgit.freedesktop.org/~airlied/linux/commit/?h=drm-next&id=bd6e2732f0e2894ce792f344c41fc32591436fe3

drm/prime: fix error path deadlock fail
There were a couple messed up things about this fail path.
(1) it would drop object_name_lock twice
(2) drm_gem_handle_delete() (in drm_gem_remove_prime_handles())
    needs to grab prime_lock

Reported-by: Alex Deucher <alexdeucher at gmail.com>
Signed-off-by: Rob Clark <robdclark at gmail.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
Link:
http://patchwork.freedesktop.org/patch/msgid/1465500559-17873-1-git-send-email-robdclark@gmail.com

Which should go upstream in the next merge window.

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