From: Sagi Grimberg <sagi@grimberg.me>
Date: Tue, 8 Jan 2019 07:54:23 +0000 (-0800)
Subject: nvme-fabrics: unset write/poll queues for discovery controllers
X-Git-Tag: v5.0-rc2~10^2~5^2~4
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=9846ac0143fe9872e92fe2a1ddff868ad05bdbb6;p=linux.git

nvme-fabrics: unset write/poll queues for discovery controllers

Even if user-space sent it to us, it got it wrong so lets
help by disallowing it.

Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---

diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c
index b2ab213f43de..3eb908c50e1a 100644
--- a/drivers/nvme/host/fabrics.c
+++ b/drivers/nvme/host/fabrics.c
@@ -874,6 +874,8 @@ static int nvmf_parse_options(struct nvmf_ctrl_options *opts,
 	if (opts->discovery_nqn) {
 		opts->kato = 0;
 		opts->nr_io_queues = 0;
+		opts->nr_write_queues = 0;
+		opts->nr_poll_queues = 0;
 		opts->duplicate_connect = true;
 	}
 	if (ctrl_loss_tmo < 0)