From fe2f17eb3da38ac0d5a00c511255bf3a33d16d24 Mon Sep 17 00:00:00 2001 From: Alexander Usyskin Date: Thu, 17 Jul 2014 10:53:38 +0300 Subject: mei: fix return value on disconnect timeout wait_event_timeout can return 0 or the remaining jiffies so return -ETIME if disconnected state not reached. Cc: stable@vger.kernel.org # 3.10+ Signed-off-by: Alexander Usyskin Signed-off-by: Tomas Winkler Signed-off-by: Greg Kroah-Hartman --- drivers/misc/mei/client.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) (limited to 'drivers/misc') diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c index 65545007745e..324e1de93687 100644 --- a/drivers/misc/mei/client.c +++ b/drivers/misc/mei/client.c @@ -459,7 +459,7 @@ int mei_cl_disconnect(struct mei_cl *cl) { struct mei_device *dev; struct mei_cl_cb *cb; - int rets, err; + int rets; if (WARN_ON(!cl || !cl->dev)) return -ENODEV; @@ -501,23 +501,18 @@ int mei_cl_disconnect(struct mei_cl *cl) } mutex_unlock(&dev->device_lock); - err = wait_event_timeout(dev->wait_recvd_msg, + wait_event_timeout(dev->wait_recvd_msg, MEI_FILE_DISCONNECTED == cl->state, mei_secs_to_jiffies(MEI_CL_CONNECT_TIMEOUT)); mutex_lock(&dev->device_lock); + if (MEI_FILE_DISCONNECTED == cl->state) { rets = 0; cl_dbg(dev, cl, "successfully disconnected from FW client.\n"); } else { - rets = -ENODEV; - if (MEI_FILE_DISCONNECTED != cl->state) - cl_err(dev, cl, "wrong status client disconnect.\n"); - - if (err) - cl_dbg(dev, cl, "wait failed disconnect err=%d\n", err); - - cl_err(dev, cl, "failed to disconnect from FW client.\n"); + cl_dbg(dev, cl, "timeout on disconnect from FW client.\n"); + rets = -ETIME; } mei_io_list_flush(&dev->ctrl_rd_list, cl); -- cgit v1.2.1