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From: Lars Ellenberg <lars.ellenberg@linbit.com>
To: Jens Axboe <axboe@kernel.dk>,
	linux-kernel@vger.kernel.org, linux-block@vger.kernel.org
Cc: drbd-dev@lists.linbit.com
Subject: [PATCH 02/17] drbd: must not use connection after kref_put(&connection->kref)
Date: Thu, 20 Dec 2018 17:23:29 +0100	[thread overview]
Message-ID: <20181220162344.8430-3-lars.ellenberg@linbit.com> (raw)
In-Reply-To: <20181220162344.8430-1-lars.ellenberg@linbit.com>

Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
 drivers/block/drbd/drbd_state.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/block/drbd/drbd_state.c b/drivers/block/drbd/drbd_state.c
index 0813c654c893..18d53fe60d1d 100644
--- a/drivers/block/drbd/drbd_state.c
+++ b/drivers/block/drbd/drbd_state.c
@@ -2109,9 +2109,8 @@ static int w_after_conn_state_ch(struct drbd_work *w, int unused)
 			spin_unlock_irq(&connection->resource->req_lock);
 		}
 	}
-	kref_put(&connection->kref, drbd_destroy_connection);
-
 	conn_md_sync(connection);
+	kref_put(&connection->kref, drbd_destroy_connection);
 
 	return 0;
 }
-- 
2.17.1


  parent reply	other threads:[~2018-12-20 16:35 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-20 16:23 [PATCH 00/17] DRBD updates for 4.21 Lars Ellenberg
2018-12-20 16:23 ` [PATCH 01/17] drbd: narrow rcu_read_lock in drbd_sync_handshake Lars Ellenberg
2018-12-20 16:23 ` Lars Ellenberg [this message]
2018-12-20 16:23 ` [PATCH 03/17] drbd: centralize printk reporting of new size into drbd_set_my_capacity() Lars Ellenberg
2018-12-20 16:23 ` [PATCH 04/17] drbd: ignore "all zero" peer volume sizes in handshake Lars Ellenberg
2018-12-20 16:23 ` [PATCH 05/17] drbd: disconnect, if the wrong UUIDs are attached on a connected peer Lars Ellenberg
2018-12-20 16:23 ` [PATCH 06/17] drbd: fix confusing error message during attach Lars Ellenberg
2018-12-20 16:23 ` [PATCH 07/17] drbd: attach on connected diskless peer must not shrink a consistent device Lars Ellenberg
2018-12-20 16:23 ` [PATCH 08/17] drbd: reject attach of unsuitable uuids even if connected Lars Ellenberg
2018-12-20 16:23 ` [PATCH 09/17] drbd: fix comment typos Lars Ellenberg
2018-12-20 16:23 ` [PATCH 10/17] drbd: do not block when adjusting "disk-options" while IO is frozen Lars Ellenberg
2018-12-20 16:23 ` [PATCH 11/17] drbd: avoid spurious self-outdating with concurrent disconnect / down Lars Ellenberg
2018-12-20 16:23 ` [PATCH 12/17] drbd: fix print_st_err()'s prototype to match the definition Lars Ellenberg
2018-12-20 16:23 ` [PATCH 13/17] drbd: don't retry connection if peers do not agree on "authentication" settings Lars Ellenberg
2018-12-20 16:23 ` [PATCH 14/17] drbd: skip spurious timeout (ping-timeo) when failing promote Lars Ellenberg
2018-12-20 16:23 ` [PATCH 15/17] drbd: introduce P_ZEROES (REQ_OP_WRITE_ZEROES on the "wire") Lars Ellenberg
2018-12-20 16:23 ` [PATCH 16/17] drbd: Avoid Clang warning about pointless switch statment Lars Ellenberg
2018-12-20 16:23 ` [PATCH 17/17] drbd: Change drbd_request_detach_interruptible's return type to int Lars Ellenberg
2018-12-20 16:27 ` [PATCH 00/17] DRBD updates for 4.21 Jens Axboe

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