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drm: xlnx: zynqmp_dpsub: Add missing check for dma_set_mask
[ Upstream commit 1832fba ] Add check for dma_set_mask() and return the error if it fails. Fixes: d76271d ("drm: xlnx: DRM/KMS driver for Xilinx ZynqMP DisplayPort Subsystem") Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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