Commit 450f4f6a authored by Bob Pearson's avatar Bob Pearson Committed by Jason Gunthorpe
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RDMA/rxe: Only allow invalidate for appropriate MRs 

Local and remote invalidate operations are not allowed by IBA for MRs
created by (re)register memory verbs. This patch checks the MR type in
rxe_invalidate_mr().

Link: https://lore.kernel.org/r/20210914164206.19768-6-rpearsonhpe@gmail.com


Signed-off-by: default avatarBob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@nvidia.com>
parent 647bf13c

drivers/infiniband/sw/rxe/rxe_mr.c

+6 −0
Original line number Diff line number Diff line
@@ -605,6 +605,12 @@ int rxe_invalidate_mr(struct rxe_qp *qp, u32 rkey) 
		goto err_drop_ref;

	}



	if (unlikely(mr->type != IB_MR_TYPE_MEM_REG)) {

		pr_warn("%s: mr->type (%d) is wrong type\n", __func__, mr->type);

		ret = -EINVAL;

		goto err_drop_ref;

	}



	mr->state = RXE_MR_STATE_FREE;

	ret = 0;