Commit 53c2d5b1 authored by Li Zhijian's avatar Li Zhijian Committed by Leon Romanovsky
Browse files

RDMA/core: return -EOPNOSUPP for ODP unsupported device 



ib_reg_mr(3) which is used to register a MR with specific access flags
for specific HCA will set errno when something go wrong.
So, here we should return the specific -EOPNOTSUPP when the being
requested ODP access flag is unsupported by the HCA(such as RXE).

Signed-off-by: default avatarLi Zhijian <lizhijian@fujitsu.com>
Link: https://lore.kernel.org/r/20221001020045.8324-1-lizhijian@fujitsu.com


Reviewed-by: default avatarZhu Yanjun <zyjzyj2000@gmail.com>
Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
parent 26312973

include/rdma/ib_verbs.h

+1 −1
Original line number Diff line number Diff line
@@ -4334,7 +4334,7 @@ static inline int ib_check_mr_access(struct ib_device *ib_dev, 


	if (flags & IB_ACCESS_ON_DEMAND &&

	    !(ib_dev->attrs.kernel_cap_flags & IBK_ON_DEMAND_PAGING))

		return -EINVAL;

		return -EOPNOTSUPP;

	return 0;

}