linux-kernel - [PATCH v2 1/1] RDMA/mana_ib: ignore optional access flags for MRs

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Message-Id: <1717575368-14879-1-git-send-email-kotaranov@linux.microsoft.com>
Date: Wed,  5 Jun 2024 01:16:08 -0700
From: Konstantin Taranov <kotaranov@...ux.microsoft.com>
To: kotaranov@...rosoft.com,
	sharmaajay@...rosoft.com,
	longli@...rosoft.com,
	jgg@...pe.ca,
	leon@...nel.org
Cc: linux-rdma@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/1] RDMA/mana_ib: ignore optional access flags for MRs

From: Konstantin Taranov <kotaranov@...rosoft.com>

Ignore optional ib_access_flags when an MR is created.

Fixes: 0266a177631d ("RDMA/mana_ib: Add a driver for Microsoft Azure Network Adapter")
Signed-off-by: Konstantin Taranov <kotaranov@...rosoft.com>
---
 drivers/infiniband/hw/mana/mr.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/infiniband/hw/mana/mr.c b/drivers/infiniband/hw/mana/mr.c
index 4f13423..887b09d 100644
--- a/drivers/infiniband/hw/mana/mr.c
+++ b/drivers/infiniband/hw/mana/mr.c
@@ -112,6 +112,7 @@ struct ib_mr *mana_ib_reg_user_mr(struct ib_pd *ibpd, u64 start, u64 length,
 		  "start 0x%llx, iova 0x%llx length 0x%llx access_flags 0x%x",
 		  start, iova, length, access_flags);
 
+	access_flags &= ~IB_ACCESS_OPTIONAL;
 	if (access_flags & ~VALID_MR_FLAGS)
 		return ERR_PTR(-EINVAL);
 
-- 
2.43.0