Nirmoy Das 3e31af7c46 drm/i915: Check before removing mm notifier ...

commit 01bb1ae350 upstream.

Error in mmu_interval_notifier_insert() can leave a NULL
notifier.mm pointer. Catch that and return early.

Fixes: ed29c26911 ("drm/i915: Fix userptr so we do not have to worry about obj->mm.lock, v7.")
Cc: <stable@vger.kernel.org> # v5.13+
[tursulin: Added Fixes and cc stable.]
Cc: Andi Shyti <andi.shyti@linux.intel.com>
Cc: Shawn Lee <shawn.c.lee@intel.com>
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240219125047.28906-1-nirmoy.das@intel.com
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
(cherry picked from commit db7bbd13f0)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2024-04-10 16:18:45 +02:00

..

drm

drm/i915: Check before removing mm notifier

2024-04-10 16:18:45 +02:00

host1x

gpu: host1x: Don't skip assigning syncpoints to channels

2023-03-10 09:39:25 +01:00

ipu-v3

gpu: ipu-v3: common: Add of_node_put() for reference returned by of_graph_get_port_by_id()

2023-03-10 09:39:20 +01:00

trace

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vga

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Makefile

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