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From: Leon Romanovsky <leon@kernel.org>
To: Doug Ledford <dledford@redhat.com>, Jason Gunthorpe <jgg@mellanox.com>
Cc: Mark Zhang <markz@mellanox.com>,
	RDMA mailing list <linux-rdma@vger.kernel.org>,
	Leon Romanovsky <leonro@mellanox.com>
Subject: [PATCH rdma-next] RDMA/nldev: Skip counter if port doesn't match
Date: Sun, 20 Oct 2019 09:28:00 +0300	[thread overview]
Message-ID: <20191020062800.8065-1-leon@kernel.org> (raw)

From: Mark Zhang <markz@mellanox.com>

Counter resource should return -EAGAIN if it was requested for other
part. Such situation can occur in multi-port systems.

Fixes: c4ffee7c9bdb ("RDMA/netlink: Implement counter dumpit calback")
Signed-off-by: Mark Zhang <markz@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
---
 drivers/infiniband/core/nldev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c
index 5e056d5e5be3..b61005f03166 100644
--- a/drivers/infiniband/core/nldev.c
+++ b/drivers/infiniband/core/nldev.c
@@ -832,7 +832,7 @@ static int fill_res_counter_entry(struct sk_buff *msg, bool has_cap_net_admin,
 		container_of(res, struct rdma_counter, res);
 
 	if (port && port != counter->port)
-		return 0;
+		return -EAGAIN;
 
 	/* Dump it even query failed */
 	rdma_counter_query_stats(counter);
-- 
2.20.1


             reply	other threads:[~2019-10-20  6:28 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-20  6:28 Leon Romanovsky [this message]
2019-10-24 18:40 ` [PATCH rdma-next] RDMA/nldev: Skip counter if port doesn't match Jason Gunthorpe

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