mei: cancel stall timers in mei_reset

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@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2 files changed, 4 insertions, 0 deletions

diff --git a/drivers/misc/mei/amthif.c b/drivers/misc/mei/amthif.c
index b3e50984d2c8..3db9291849f1 100644
--- a/drivers/misc/mei/amthif.c
+++ b/drivers/misc/mei/amthif.c
@@ -57,6 +57,7 @@ void mei_amthif_reset_params(struct mei_device *dev)
         dev->iamthif_ioctl = false;
         dev->iamthif_state = MEI_IAMTHIF_IDLE;
         dev->iamthif_timer = 0;
+        dev->iamthif_stall_timer = 0;
 }
 
 /**
diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c
index 6eec689ba97e..878bc1c29d2b 100644
--- a/drivers/misc/mei/init.c
+++ b/drivers/misc/mei/init.c
@@ -164,6 +164,9 @@ void mei_reset(struct mei_device *dev, int interrupts_enabled)
                 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;