This is a note to let you know that I've just added the patch titled
Target/iser: Don't put isert_conn inside disconnected handler
to the 3.16-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-iser-don-t-put-isert_conn-inside-disconnected-handler.patch
and it can be found in the queue-3.16 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 0fc4ea701fcf5bc51ace4e288af5be741465f776 Mon Sep 17 00:00:00 2001
From: Sagi Grimberg <sagig@xxxxxxxxxxxx>
Date: Wed, 2 Jul 2014 16:19:25 +0300
Subject: Target/iser: Don't put isert_conn inside disconnected handler
From: Sagi Grimberg <sagig@xxxxxxxxxxxx>
commit 0fc4ea701fcf5bc51ace4e288af5be741465f776 upstream.
disconnected_handler is invoked on several CM events (such
as DISCONNECTED, DEVICE_REMOVAL, TIMEWAIT_EXIT...). Since
multiple events can occur while before isert_free_conn is
invoked, we might put all isert_conn references and free
the connection too early.
Signed-off-by: Sagi Grimberg <sagig@xxxxxxxxxxxx>
Signed-off-by: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/infiniband/ulp/isert/ib_isert.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -799,7 +799,6 @@ isert_disconnect_work(struct work_struct
wake_up:
complete(&isert_conn->conn_wait);
- isert_put_conn(isert_conn);
}
static void
@@ -3235,6 +3234,7 @@ static void isert_wait_conn(struct iscsi
wait_for_completion(&isert_conn->conn_wait_comp_err);
wait_for_completion(&isert_conn->conn_wait);
+ isert_put_conn(isert_conn);
}
static void isert_free_conn(struct iscsi_conn *conn)
Patches currently in stable-queue which might be from sagig@xxxxxxxxxxxx are
queue-3.16/target-iser-get-isert_conn-reference-once-got-to-connected_handler.patch
queue-3.16/scsi-libiscsi-fix-potential-buffer-overrun-in-__iscsi_conn_send_pdu.patch
queue-3.16/target-iser-don-t-put-isert_conn-inside-disconnected-handler.patch
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