[ 18/57] mei: cancel stall timers in mei_reset

From: Greg Kroah-Hartman
Date: Thu Oct 03 2013 - 00:18:06 EST


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

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

From: Alexander Usyskin <alexander.usyskin@xxxxxxxxx>

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@xxxxxxxxx>
Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
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
@@ -169,6 +169,9 @@ 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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