linux-kernel - [PATCH] nvme: fabrics: fix ctrl_loss

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20180807204239.24907-1-tal.shorer@gmail.com>
Date:   Tue,  7 Aug 2018 23:42:39 +0300
From:   Tal Shorer <tal.shorer@...il.com>
To:     keith.busch@...el.com, axboe@...com, hch@....de, sagi@...mberg.me,
        linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Tal Shorer <tal.shorer@...il.com>
Subject: [PATCH] nvme: fabrics: fix ctrl_loss_tmo < 0 to reconnect forever

When the user supplics ctrl_loss_tmo < 0, we warn them that this will
cause the fabrics layer to attempt reconnection forever.
However, in reality the fabrics layer never attempts to reconnect
because the condition to test whether we should reconnect is backwards
in this case.

Signed-off-by: Tal Shorer <tal.shorer@...il.com>
---
 drivers/nvme/host/fabrics.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c
index f7efe5a58cc7..206d63cb1afc 100644
--- a/drivers/nvme/host/fabrics.c
+++ b/drivers/nvme/host/fabrics.c
@@ -474,7 +474,7 @@ EXPORT_SYMBOL_GPL(nvmf_connect_io_queue);
 
 bool nvmf_should_reconnect(struct nvme_ctrl *ctrl)
 {
-	if (ctrl->opts->max_reconnects != -1 &&
+	if (ctrl->opts->max_reconnects == -1 ||
 	    ctrl->nr_reconnects < ctrl->opts->max_reconnects)
 		return true;
 
-- 
2.14.1