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[ Upstream commitb73a0b80c6] There is no need to check 'rdi->qp_dev' for NULL. The field 'qp_dev' is created in rvt_register_device() which will fail if the 'qp_dev' allocation fails in rvt_driver_qp_init(). Overwise this pointer doesn't changed and passed to rvt_qp_exit() by the next step. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes:0acb0cc7ec("IB/rdmavt: Initialize and teardown of qpn table") Signed-off-by: Natalia Petrova <n.petrova@fintech.ru> Link: https://lore.kernel.org/r/20230303124408.16685-1-n.petrova@fintech.ru Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>