diff mbox series

[for-rc,v3,6/6] RDMA/rxe: Only allow invalidate for appropriate MRs

Message ID 20210909204456.7476-7-rpearsonhpe@gmail.com (mailing list archive)
State Superseded
Headers show
Series RDMA/rxe: Various bug fixes. | expand

Commit Message

Bob Pearson Sept. 9, 2021, 8:44 p.m. UTC 
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().

Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
---
 drivers/infiniband/sw/rxe/rxe_mr.c | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/drivers/infiniband/sw/rxe/rxe_mr.c b/drivers/infiniband/sw/rxe/rxe_mr.c
index 8d658d42abed..53271df10e47 100644
--- a/drivers/infiniband/sw/rxe/rxe_mr.c
+++ b/drivers/infiniband/sw/rxe/rxe_mr.c
@@ -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;