This is a note to let you know that I've just added the patch titled
target: Release se_cmd when LUN lookup fails for TMR
to the 3.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
target-release-se_cmd-when-lun-lookup-fails-for-tmr.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 5a3b6fc0092c5f8dee7820064ee54d2631d48573 Mon Sep 17 00:00:00 2001
From: Roland Dreier <[email protected]>
Date: Wed, 2 Jan 2013 12:47:59 -0800
Subject: target: Release se_cmd when LUN lookup fails for TMR
From: Roland Dreier <[email protected]>
commit 5a3b6fc0092c5f8dee7820064ee54d2631d48573 upstream.
When transport_lookup_tmr_lun() fails and we return a task management
response from target_complete_tmr_failure(), we need to call
transport_cmd_check_stop_to_fabric() to release the last ref to the
cmd after calling se_tfo->queue_tm_rsp(), or else we will never remove
the failed TMR from the session command list (and we'll end up waiting
forever when trying to tear down the session).
(nab: Fix minor compile breakage)
Signed-off-by: Roland Dreier <[email protected]>
Signed-off-by: Nicholas Bellinger <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/target/target_core_transport.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -1748,6 +1748,8 @@ static void target_complete_tmr_failure(
se_cmd->se_tmr_req->response = TMR_LUN_DOES_NOT_EXIST;
se_cmd->se_tfo->queue_tm_rsp(se_cmd);
+
+ transport_cmd_check_stop_to_fabric(se_cmd);
}
/**
Patches currently in stable-queue which might be from [email protected] are
queue-3.4/target-release-se_cmd-when-lun-lookup-fails-for-tmr.patch
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