Merge tag 'char-misc-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char / misc patches from Greg KH:
 "Here's the big char/misc driver update for 3.20-rc1.

  Lots of little things in here, all described in the changelog.
  Nothing major or unusual, except maybe the binder selinux stuff, which
  was all acked by the proper selinux people and they thought it best to
  come through this tree.

  All of this has been in linux-next with no reported issues for a while"

* tag 'char-misc-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (90 commits)
  coresight: fix function etm_writel_cp14() parameter order
  coresight-etm: remove check for unknown Kconfig macro
  coresight: fixing CPU hwid lookup in device tree
  coresight: remove the unnecessary function coresight_is_bit_set()
  coresight: fix the debug AMBA bus name
  coresight: remove the extra spaces
  coresight: fix the link between orphan connection and newly added device
  coresight: remove the unnecessary replicator property
  coresight: fix the replicator subtype value
  pdfdocs: Fix 'make pdfdocs' failure for 'uio-howto.tmpl'
  mcb: Fix error path of mcb_pci_probe
  virtio/console: verify device has config space
  ti-st: clean up data types (fix harmless memory corruption)
  mei: me: release hw from reset only during the reset flow
  mei: mask interrupt set bit on clean reset bit
  extcon: max77693: Constify struct regmap_config
  extcon: adc-jack: Release IIO channel on driver remove
  extcon: Remove duplicated include from extcon-class.c
  Drivers: hv: vmbus: hv_process_timer_expiration() can be static
  Drivers: hv: vmbus: serialize Offer and Rescind offer
  ...

1 files changed, 15 insertions, 19 deletions

diff --git a/drivers/misc/mei/hbm.c b/drivers/misc/mei/hbm.c
index 239d7f5d6a92..c8412d41e4f1 100644
--- a/drivers/misc/mei/hbm.c
+++ b/drivers/misc/mei/hbm.c
@@ -105,21 +105,6 @@ void mei_hbm_idle(struct mei_device *dev)
 }
 
 /**
- * mei_me_cl_remove_all - remove all me clients
- *
- * @dev: the device structure
- */
-static void mei_me_cl_remove_all(struct mei_device *dev)
-{
-	struct mei_me_client *me_cl, *next;
-
-	list_for_each_entry_safe(me_cl, next, &dev->me_clients, list) {
-			list_del(&me_cl->list);
-			kfree(me_cl);
-	}
-}
-
-/**
  * mei_hbm_reset - reset hbm counters and book keeping data structurs
  *
  * @dev: the device structure
@@ -128,7 +113,7 @@ void mei_hbm_reset(struct mei_device *dev)
 {
 	dev->me_client_index = 0;
 
-	mei_me_cl_remove_all(dev);
+	mei_me_cl_rm_all(dev);
 
 	mei_hbm_idle(dev);
 }
@@ -339,11 +324,16 @@ static int mei_hbm_me_cl_add(struct mei_device *dev,
 			     struct hbm_props_response *res)
 {
 	struct mei_me_client *me_cl;
+	const uuid_le *uuid = &res->client_properties.protocol_name;
+
+	mei_me_cl_rm_by_uuid(dev, uuid);
 
 	me_cl = kzalloc(sizeof(struct mei_me_client), GFP_KERNEL);
 	if (!me_cl)
 		return -ENOMEM;
 
+	mei_me_cl_init(me_cl);
+
 	me_cl->props = res->client_properties;
 	me_cl->client_id = res->me_addr;
 	me_cl->mei_flow_ctrl_creds = 0;
@@ -484,6 +474,7 @@ static int mei_hbm_add_single_flow_creds(struct mei_device *dev,
 				  struct hbm_flow_control *flow)
 {
 	struct mei_me_client *me_cl;
+	int rets;
 
 	me_cl = mei_me_cl_by_id(dev, flow->me_addr);
 	if (!me_cl) {
@@ -492,14 +483,19 @@ static int mei_hbm_add_single_flow_creds(struct mei_device *dev,
 		return -ENOENT;
 	}
 
-	if (WARN_ON(me_cl->props.single_recv_buf == 0))
-		return -EINVAL;
+	if (WARN_ON(me_cl->props.single_recv_buf == 0)) {
+		rets = -EINVAL;
+		goto out;
+	}
 
 	me_cl->mei_flow_ctrl_creds++;
 	dev_dbg(dev->dev, "recv flow ctrl msg ME %d (single) creds = %d.\n",
 	    flow->me_addr, me_cl->mei_flow_ctrl_creds);
 
-	return 0;
+	rets = 0;
+out:
+	mei_me_cl_put(me_cl);
+	return rets;
 }
 
 /**