linux-kernel - [ 17/52] mei: cancel stall timers in mei

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Message-Id: <20131003040523.363142607@linuxfoundation.org>
Date:	Wed,  2 Oct 2013 21:05:35 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org,
	Alexander Usyskin <alexander.usyskin@...el.com>,
	Tomas Winkler <tomas.winkler@...el.com>
Subject: [ 17/52] mei: cancel stall timers in mei_reset

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alexander Usyskin <alexander.usyskin@...el.com>

commit 4a704575cc1afb3b848f096778fa9b8d7b3d5813 upstream.

Unset init_clients_timer and amthif_stall_timers
in mei_reset in order to cancel timer ticking and hence
avoid recursive reset calls.

Signed-off-by: Alexander Usyskin <alexander.usyskin@...el.com>
Signed-off-by: Tomas Winkler <tomas.winkler@...el.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/misc/mei/amthif.c |    1 +
 drivers/misc/mei/init.c   |    3 +++
 2 files changed, 4 insertions(+)

--- a/drivers/misc/mei/amthif.c
+++ b/drivers/misc/mei/amthif.c
@@ -57,6 +57,7 @@ void mei_amthif_reset_params(struct mei_
 	dev->iamthif_ioctl = false;
 	dev->iamthif_state = MEI_IAMTHIF_IDLE;
 	dev->iamthif_timer = 0;
+	dev->iamthif_stall_timer = 0;
 }
 
 /**
--- a/drivers/misc/mei/init.c
+++ b/drivers/misc/mei/init.c
@@ -164,6 +164,9 @@ void mei_reset(struct mei_device *dev, i
 		memset(&dev->wr_ext_msg, 0, sizeof(dev->wr_ext_msg));
 	}
 
+	/* we're already in reset, cancel the init timer */
+	dev->init_clients_timer = 0;
+
 	dev->me_clients_num = 0;
 	dev->rd_msg_hdr = 0;
 	dev->wd_pending = false;


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