This is a note to let you know that I've just added the patch titled
e1000: Prevent reset task killing itself.
to the 3.3-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:
e1000-prevent-reset-task-killing-itself.patch
and it can be found in the queue-3.3 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 8ce6909f77ba1b7bcdea65cc2388fd1742b6d669 Mon Sep 17 00:00:00 2001
From: Tushar Dave <[email protected]>
Date: Thu, 17 May 2012 01:04:50 +0000
Subject: e1000: Prevent reset task killing itself.
From: Tushar Dave <[email protected]>
commit 8ce6909f77ba1b7bcdea65cc2388fd1742b6d669 upstream.
Killing reset task while adapter is resetting causes deadlock.
Only kill reset task if adapter is not resetting.
Ref bug #43132 on bugzilla.kernel.org
Signed-off-by: Tushar Dave <[email protected]>
Tested-by: Aaron Brown <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/net/ethernet/intel/e1000/e1000_main.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -492,7 +492,11 @@ out:
static void e1000_down_and_stop(struct e1000_adapter *adapter)
{
set_bit(__E1000_DOWN, &adapter->flags);
- cancel_work_sync(&adapter->reset_task);
+
+ /* Only kill reset task if adapter is not resetting */
+ if (!test_bit(__E1000_RESETTING, &adapter->flags))
+ cancel_work_sync(&adapter->reset_task);
+
cancel_delayed_work_sync(&adapter->watchdog_task);
cancel_delayed_work_sync(&adapter->phy_info_task);
cancel_delayed_work_sync(&adapter->fifo_stall_task);
Patches currently in stable-queue which might be from [email protected]
are
queue-3.3/e1000-prevent-reset-task-killing-itself.patch
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