RDMA/mana_ib: Ignore optional access flags for MRs

Ignore optional ib_access_flags when an MR is created.

Fixes: 0266a17 ("RDMA/mana_ib: Add a driver for Microsoft Azure Network Adapter")
Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1717575368-14879-1-git-send-email-kotaranov@linux.microsoft.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>

Author: Konstantin Taranov

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);