Merge tag 'char-misc-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc fixes from Greg KH:
 "Here are some small char/misc driver fixes for 5.7-rc7 that resolve
  some reported issues. Included in here are tiny fixes for the mei,
  coresight, rtsx, ipack, and mhi drivers.

  All of these have been in linux-next with no reported issues"

* tag 'char-misc-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  misc: rtsx: Add short delay after exit from ASPM
  bus: mhi: core: Fix some error return code
  ipack: tpci200: fix error return code in tpci200_register()
  coresight: cti: remove incorrect NULL return check
  mei: release me_cl object reference

Author: torvalds

drivers/bus/mhi/core/init.c

@@ -291,6 +291,7 @@ int mhi_init_dev_ctxt(struct mhi_controller *mhi_cntrl)
 	}
 
 	/* Setup cmd context */
+	ret = -ENOMEM;
 	mhi_ctxt->cmd_ctxt = mhi_alloc_coherent(mhi_cntrl,
 						sizeof(*mhi_ctxt->cmd_ctxt) *
 						NR_OF_CMD_RINGS,
@@ -1100,6 +1101,7 @@ static int mhi_driver_probe(struct device *dev)
 		}
 	}
 
+	ret = -EINVAL;
 	if (dl_chan) {
 		/*
 		 * If channel supports LPM notifications then status_cb should

drivers/hwtracing/coresight/coresight-cti-platform.c

@@ -120,7 +120,7 @@ static int cti_plat_create_v8_etm_connection(struct device *dev,
 
 	/* Can optionally have an etm node - return if not  */
 	cs_fwnode = fwnode_find_reference(root_fwnode, CTI_DT_CSDEV_ASSOC, 0);
-	if (IS_ERR_OR_NULL(cs_fwnode))
+	if (IS_ERR(cs_fwnode))
 		return 0;
 
 	/* allocate memory */
@@ -393,7 +393,7 @@ static int cti_plat_create_connection(struct device *dev,
 		/* associated device ? */
 		cs_fwnode = fwnode_find_reference(fwnode,
 						  CTI_DT_CSDEV_ASSOC, 0);
-		if (!IS_ERR_OR_NULL(cs_fwnode)) {
+		if (!IS_ERR(cs_fwnode)) {
 			assoc_name = cti_plat_get_csdev_or_node_name(cs_fwnode,
 								     &csdev);
 			fwnode_handle_put(cs_fwnode);

drivers/ipack/carriers/tpci200.c

@@ -306,6 +306,7 @@ static int tpci200_register(struct tpci200_board *tpci200)
 			"(bn 0x%X, sn 0x%X) failed to map driver user space!",
 			tpci200->info->pdev->bus->number,
 			tpci200->info->pdev->devfn);
+		res = -ENOMEM;
 		goto out_release_mem8_space;
 	}
 

drivers/misc/cardreader/rtsx_pcr.c

@@ -142,6 +142,9 @@ static void rtsx_comm_pm_full_on(struct rtsx_pcr *pcr)
 
 	rtsx_disable_aspm(pcr);
 
+	/* Fixes DMA transfer timout issue after disabling ASPM on RTS5260 */
+	msleep(1);
+
 	if (option->ltr_enabled)
 		rtsx_set_ltr_latency(pcr, option->ltr_active_latency);
 

drivers/misc/mei/client.c

@@ -266,6 +266,7 @@ void mei_me_cl_rm_by_uuid(struct mei_device *dev, const uuid_le *uuid)
 	down_write(&dev->me_clients_rwsem);
 	me_cl = __mei_me_cl_by_uuid(dev, uuid);
 	__mei_me_cl_del(dev, me_cl);
+	mei_me_cl_put(me_cl);
 	up_write(&dev->me_clients_rwsem);
 }
 
@@ -287,6 +288,7 @@ void mei_me_cl_rm_by_uuid_id(struct mei_device *dev, const uuid_le *uuid, u8 id)
 	down_write(&dev->me_clients_rwsem);
 	me_cl = __mei_me_cl_by_uuid_id(dev, uuid, id);
 	__mei_me_cl_del(dev, me_cl);
+	mei_me_cl_put(me_cl);
 	up_write(&dev->me_clients_rwsem);
 }