Files
linux-cix/drivers
Sean Anderson a17b9afe58 drm: zynqmp_kms: Unplug DRM device before removal
[ Upstream commit 2e07c88914fc5289c21820b1aa94f058feb38197 ]

Prevent userspace accesses to the DRM device from causing
use-after-frees by unplugging the device before we remove it. This
causes any further userspace accesses to result in an error without
further calls into this driver's internals.

Fixes: d76271d226 ("drm: xlnx: DRM/KMS driver for Xilinx ZynqMP DisplayPort Subsystem")
Closes: https://lore.kernel.org/dri-devel/4d8f4c9b-2efb-4774-9a37-2f257f79b2c9@linux.dev/
Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240809193600.3360015-2-sean.anderson@linux.dev
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-12-09 10:32:07 +01:00
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