[gentoo-commits] proj/linux-patches:4.14 commit in: /

[Mike Pagano]

commit:     fe21ecac863d9081e7be747ad3e6c68678732bbd
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Wed Jan  5 12:56:07 2022 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Wed Jan  5 12:56:07 2022 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=fe21ecac

Linux patch 4.14.261

Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>

 0000_README               |   4 +
 1260_linux-4.14.261.patch | 873 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 877 insertions(+)

diff --git a/0000_README b/0000_README
index a35bbc39..cb71c828 100644
--- a/0000_README
+++ b/0000_README
@@ -1087,6 +1087,10 @@ Patch:  1259_linux-4.14.260.patch
 From:   https://www.kernel.org
 Desc:   Linux 4.14.260
 
+Patch:  1260_linux-4.14.261.patch
+From:   https://www.kernel.org
+Desc:   Linux 4.14.261
+
 Patch:  1500_XATTR_USER_PREFIX.patch
 From:   https://bugs.gentoo.org/show_bug.cgi?id=470644
 Desc:   Support for namespace user.pax.* on tmpfs.

diff --git a/1260_linux-4.14.261.patch b/1260_linux-4.14.261.patch
new file mode 100644
index 00000000..34c7f687
--- /dev/null
+++ b/1260_linux-4.14.261.patch
@@ -0,0 +1,873 @@
+diff --git a/Makefile b/Makefile
+index 8a87f5c06a830..38e64d636717b 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 4
+ PATCHLEVEL = 14
+-SUBLEVEL = 260
++SUBLEVEL = 261
+ EXTRAVERSION =
+ NAME = Petit Gorille
+ 
+diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c
+index f89ea0866892c..1687368ea71f3 100644
+--- a/drivers/android/binder_alloc.c
++++ b/drivers/android/binder_alloc.c
+@@ -619,7 +619,7 @@ static void binder_free_buf_locked(struct binder_alloc *alloc,
+ 	BUG_ON(buffer->data > alloc->buffer + alloc->buffer_size);
+ 
+ 	if (buffer->async_transaction) {
+-		alloc->free_async_space += size + sizeof(struct binder_buffer);
++		alloc->free_async_space += buffer_size + sizeof(struct binder_buffer);
+ 
+ 		binder_alloc_debug(BINDER_DEBUG_BUFFER_ALLOC_ASYNC,
+ 			     "%d: binder_free_buf size %zd async free %zd\n",
+diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
+index 5f5580fbd3518..a4fb3fccf1b28 100644
+--- a/drivers/hid/Kconfig
++++ b/drivers/hid/Kconfig
+@@ -148,6 +148,7 @@ config HID_APPLEIR
+ 
+ config HID_ASUS
+ 	tristate "Asus"
++	depends on USB_HID
+ 	depends on LEDS_CLASS
+ 	---help---
+ 	Support for Asus notebook built-in keyboard and touchpad via i2c, and
+diff --git a/drivers/input/joystick/spaceball.c b/drivers/input/joystick/spaceball.c
+index e9712a1b7cad9..43bc432e1d3aa 100644
+--- a/drivers/input/joystick/spaceball.c
++++ b/drivers/input/joystick/spaceball.c
+@@ -35,6 +35,7 @@
+ #include <linux/module.h>
+ #include <linux/input.h>
+ #include <linux/serio.h>
++#include <asm/unaligned.h>
+ 
+ #define DRIVER_DESC	"SpaceTec SpaceBall 2003/3003/4000 FLX driver"
+ 
+@@ -91,9 +92,15 @@ static void spaceball_process_packet(struct spaceball* spaceball)
+ 
+ 		case 'D':					/* Ball data */
+ 			if (spaceball->idx != 15) return;
+-			for (i = 0; i < 6; i++)
++			/*
++			 * Skip first three bytes; read six axes worth of data.
++			 * Axis values are signed 16-bit big-endian.
++			 */
++			data += 3;
++			for (i = 0; i < ARRAY_SIZE(spaceball_axes); i++) {
+ 				input_report_abs(dev, spaceball_axes[i],
+-					(__s16)((data[2 * i + 3] << 8) | data[2 * i + 2]));
++					(__s16)get_unaligned_be16(&data[i * 2]));
++			}
+ 			break;
+ 
+ 		case 'K':					/* Button data */
+diff --git a/drivers/input/mouse/appletouch.c b/drivers/input/mouse/appletouch.c
+index 81a695d0b4e04..5b4f15a232935 100644
+--- a/drivers/input/mouse/appletouch.c
++++ b/drivers/input/mouse/appletouch.c
+@@ -929,6 +929,8 @@ static int atp_probe(struct usb_interface *iface,
+ 	set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit);
+ 	set_bit(BTN_LEFT, input_dev->keybit);
+ 
++	INIT_WORK(&dev->work, atp_reinit);
++
+ 	error = input_register_device(dev->input);
+ 	if (error)
+ 		goto err_free_buffer;
+@@ -936,8 +938,6 @@ static int atp_probe(struct usb_interface *iface,
+ 	/* save our data pointer in this interface device */
+ 	usb_set_intfdata(iface, dev);
+ 
+-	INIT_WORK(&dev->work, atp_reinit);
+-
+ 	return 0;
+ 
+  err_free_buffer:
+diff --git a/drivers/net/ethernet/freescale/fman/fman_port.c b/drivers/net/ethernet/freescale/fman/fman_port.c
+index ac3d791f52821..b7295f21aa580 100644
+--- a/drivers/net/ethernet/freescale/fman/fman_port.c
++++ b/drivers/net/ethernet/freescale/fman/fman_port.c
+@@ -1779,7 +1779,7 @@ static int fman_port_probe(struct platform_device *of_dev)
+ 	fman = dev_get_drvdata(&fm_pdev->dev);
+ 	if (!fman) {
+ 		err = -EINVAL;
+-		goto return_err;
++		goto put_device;
+ 	}
+ 
+ 	err = of_property_read_u32(port_node, "cell-index", &val);
+@@ -1787,7 +1787,7 @@ static int fman_port_probe(struct platform_device *of_dev)
+ 		dev_err(port->dev, "%s: reading cell-index for %pOF failed\n",
+ 			__func__, port_node);
+ 		err = -EINVAL;
+-		goto return_err;
++		goto put_device;
+ 	}
+ 	port_id = (u8)val;
+ 	port->dts_params.id = port_id;
+@@ -1821,7 +1821,7 @@ static int fman_port_probe(struct platform_device *of_dev)
+ 	}  else {
+ 		dev_err(port->dev, "%s: Illegal port type\n", __func__);
+ 		err = -EINVAL;
+-		goto return_err;
++		goto put_device;
+ 	}
+ 
+ 	port->dts_params.type = port_type;
+@@ -1835,7 +1835,7 @@ static int fman_port_probe(struct platform_device *of_dev)
+ 			dev_err(port->dev, "%s: incorrect qman-channel-id\n",
+ 				__func__);
+ 			err = -EINVAL;
+-			goto return_err;
++			goto put_device;
+ 		}
+ 		port->dts_params.qman_channel_id = qman_channel_id;
+ 	}
+@@ -1845,7 +1845,7 @@ static int fman_port_probe(struct platform_device *of_dev)
+ 		dev_err(port->dev, "%s: of_address_to_resource() failed\n",
+ 			__func__);
+ 		err = -ENOMEM;
+-		goto return_err;
++		goto put_device;
+ 	}
+ 
+ 	port->dts_params.fman = fman;
+@@ -1870,6 +1870,8 @@ static int fman_port_probe(struct platform_device *of_dev)
+ 
+ 	return 0;
+ 
++put_device:
++	put_device(&fm_pdev->dev);
+ return_err:
+ 	of_node_put(port_node);
+ free_port:
+diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
+index d18a283a0ccff..408b996ff4dfb 100644
+--- a/drivers/net/usb/pegasus.c
++++ b/drivers/net/usb/pegasus.c
+@@ -498,11 +498,11 @@ static void read_bulk_callback(struct urb *urb)
+ 		goto goon;
+ 
+ 	rx_status = buf[count - 2];
+-	if (rx_status & 0x1e) {
++	if (rx_status & 0x1c) {
+ 		netif_dbg(pegasus, rx_err, net,
+ 			  "RX packet error %x\n", rx_status);
+ 		net->stats.rx_errors++;
+-		if (rx_status & 0x06)	/* long or runt	*/
++		if (rx_status & 0x04)	/* runt	*/
+ 			net->stats.rx_length_errors++;
+ 		if (rx_status & 0x08)
+ 			net->stats.rx_crc_errors++;
+diff --git a/drivers/nfc/st21nfca/i2c.c b/drivers/nfc/st21nfca/i2c.c
+index cd1f7bfa75ebe..dc9dd66cf6735 100644
+--- a/drivers/nfc/st21nfca/i2c.c
++++ b/drivers/nfc/st21nfca/i2c.c
+@@ -544,7 +544,8 @@ static int st21nfca_hci_i2c_probe(struct i2c_client *client,
+ 	phy->gpiod_ena = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW);
+ 	if (IS_ERR(phy->gpiod_ena)) {
+ 		nfc_err(dev, "Unable to get ENABLE GPIO\n");
+-		return PTR_ERR(phy->gpiod_ena);
++		r = PTR_ERR(phy->gpiod_ena);
++		goto out_free;
+ 	}
+ 
+ 	phy->se_status.is_ese_present =
+@@ -555,7 +556,7 @@ static int st21nfca_hci_i2c_probe(struct i2c_client *client,
+ 	r = st21nfca_hci_platform_init(phy);
+ 	if (r < 0) {
+ 		nfc_err(&client->dev, "Unable to reboot st21nfca\n");
+-		return r;
++		goto out_free;
+ 	}
+ 
+ 	r = devm_request_threaded_irq(&client->dev, client->irq, NULL,
+@@ -564,15 +565,23 @@ static int st21nfca_hci_i2c_probe(struct i2c_client *client,
+ 				ST21NFCA_HCI_DRIVER_NAME, phy);
+ 	if (r < 0) {
+ 		nfc_err(&client->dev, "Unable to register IRQ handler\n");
+-		return r;
++		goto out_free;
+ 	}
+ 
+-	return st21nfca_hci_probe(phy, &i2c_phy_ops, LLC_SHDLC_NAME,
+-					ST21NFCA_FRAME_HEADROOM,
+-					ST21NFCA_FRAME_TAILROOM,
+-					ST21NFCA_HCI_LLC_MAX_PAYLOAD,
+-					&phy->hdev,
+-					&phy->se_status);
++	r = st21nfca_hci_probe(phy, &i2c_phy_ops, LLC_SHDLC_NAME,
++			       ST21NFCA_FRAME_HEADROOM,
++			       ST21NFCA_FRAME_TAILROOM,
++			       ST21NFCA_HCI_LLC_MAX_PAYLOAD,
++			       &phy->hdev,
++			       &phy->se_status);
++	if (r)
++		goto out_free;
++
++	return 0;
++
++out_free:
++	kfree_skb(phy->pending_skb);
++	return r;
+ }
+ 
+ static int st21nfca_hci_i2c_remove(struct i2c_client *client)
+@@ -585,6 +594,8 @@ static int st21nfca_hci_i2c_remove(struct i2c_client *client)
+ 
+ 	if (phy->powered)
+ 		st21nfca_hci_i2c_disable(phy);
++	if (phy->pending_skb)
++		kfree_skb(phy->pending_skb);
+ 
+ 	return 0;
+ }
+diff --git a/drivers/platform/x86/apple-gmux.c b/drivers/platform/x86/apple-gmux.c
+index 7c4eb86c851ed..5463d740f3523 100644
+--- a/drivers/platform/x86/apple-gmux.c
++++ b/drivers/platform/x86/apple-gmux.c
+@@ -628,7 +628,7 @@ static int gmux_probe(struct pnp_dev *pnp, const struct pnp_device_id *id)
+ 	}
+ 
+ 	gmux_data->iostart = res->start;
+-	gmux_data->iolen = res->end - res->start;
++	gmux_data->iolen = resource_size(res);
+ 
+ 	if (gmux_data->iolen < GMUX_MIN_IO_LEN) {
+ 		pr_err("gmux I/O region too small (%lu < %u)\n",
+diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
+index c77ad2b78ce49..39a1c9e18c0ea 100644
+--- a/drivers/scsi/lpfc/lpfc_debugfs.c
++++ b/drivers/scsi/lpfc/lpfc_debugfs.c
+@@ -2177,8 +2177,8 @@ lpfc_debugfs_nvmeio_trc_write(struct file *file, const char __user *buf,
+ 	char mybuf[64];
+ 	char *pbuf;
+ 
+-	if (nbytes > 64)
+-		nbytes = 64;
++	if (nbytes > 63)
++		nbytes = 63;
+ 
+ 	memset(mybuf, 0, sizeof(mybuf));
+ 
+diff --git a/drivers/scsi/vmw_pvscsi.c b/drivers/scsi/vmw_pvscsi.c
+index 2c707b5c7b0b7..68b5177bf09d6 100644
+--- a/drivers/scsi/vmw_pvscsi.c
++++ b/drivers/scsi/vmw_pvscsi.c
+@@ -578,9 +578,12 @@ static void pvscsi_complete_request(struct pvscsi_adapter *adapter,
+ 			 * Commands like INQUIRY may transfer less data than
+ 			 * requested by the initiator via bufflen. Set residual
+ 			 * count to make upper layer aware of the actual amount
+-			 * of data returned.
++			 * of data returned. There are cases when controller
++			 * returns zero dataLen with non zero data - do not set
++			 * residual count in that case.
+ 			 */
+-			scsi_set_resid(cmd, scsi_bufflen(cmd) - e->dataLen);
++			if (e->dataLen && (e->dataLen < scsi_bufflen(cmd)))
++				scsi_set_resid(cmd, scsi_bufflen(cmd) - e->dataLen);
+ 			cmd->result = (DID_OK << 16);
+ 			break;
+ 
+diff --git a/drivers/tee/tee_private.h b/drivers/tee/tee_private.h
+index 21cb6be8bce94..4ef325f782d11 100644
+--- a/drivers/tee/tee_private.h
++++ b/drivers/tee/tee_private.h
+@@ -31,7 +31,7 @@ struct tee_device;
+  * @paddr:	physical address of the shared memory
+  * @kaddr:	virtual address of the shared memory
+  * @size:	size of shared memory
+- * @dmabuf:	dmabuf used to for exporting to user space
++ * @refcount:	reference counter
+  * @flags:	defined by TEE_SHM_* in tee_drv.h
+  * @id:		unique id of a shared memory object on this device
+  */
+@@ -42,7 +42,7 @@ struct tee_shm {
+ 	phys_addr_t paddr;
+ 	void *kaddr;
+ 	size_t size;
+-	struct dma_buf *dmabuf;
++	refcount_t refcount;
+ 	u32 flags;
+ 	int id;
+ };
+diff --git a/drivers/tee/tee_shm.c b/drivers/tee/tee_shm.c
+index ea3ce4e17b855..b8f171b9658b8 100644
+--- a/drivers/tee/tee_shm.c
++++ b/drivers/tee/tee_shm.c
+@@ -1,5 +1,5 @@
+ /*
+- * Copyright (c) 2015-2016, Linaro Limited
++ * Copyright (c) 2015-2017, 2019-2021 Linaro Limited
+  *
+  * This software is licensed under the terms of the GNU General Public
+  * License version 2, as published by the Free Software Foundation, and
+@@ -11,26 +11,19 @@
+  * GNU General Public License for more details.
+  *
+  */
++#include <linux/anon_inodes.h>
+ #include <linux/device.h>
+-#include <linux/dma-buf.h>
+-#include <linux/fdtable.h>
+ #include <linux/idr.h>
++#include <linux/mm.h>
+ #include <linux/sched.h>
+ #include <linux/slab.h>
+ #include <linux/tee_drv.h>
+ #include "tee_private.h"
+ 
+-static void tee_shm_release(struct tee_shm *shm)
++static void tee_shm_release(struct tee_device *teedev, struct tee_shm *shm)
+ {
+-	struct tee_device *teedev = shm->teedev;
+ 	struct tee_shm_pool_mgr *poolm;
+ 
+-	mutex_lock(&teedev->mutex);
+-	idr_remove(&teedev->idr, shm->id);
+-	if (shm->ctx)
+-		list_del(&shm->link);
+-	mutex_unlock(&teedev->mutex);
+-
+ 	if (shm->flags & TEE_SHM_DMA_BUF)
+ 		poolm = &teedev->pool->dma_buf_mgr;
+ 	else
+@@ -42,53 +35,6 @@ static void tee_shm_release(struct tee_shm *shm)
+ 	tee_device_put(teedev);
+ }
+ 
+-static struct sg_table *tee_shm_op_map_dma_buf(struct dma_buf_attachment
+-			*attach, enum dma_data_direction dir)
+-{
+-	return NULL;
+-}
+-
+-static void tee_shm_op_unmap_dma_buf(struct dma_buf_attachment *attach,
+-				     struct sg_table *table,
+-				     enum dma_data_direction dir)
+-{
+-}
+-
+-static void tee_shm_op_release(struct dma_buf *dmabuf)
+-{
+-	struct tee_shm *shm = dmabuf->priv;
+-
+-	tee_shm_release(shm);
+-}
+-
+-static void *tee_shm_op_map_atomic(struct dma_buf *dmabuf, unsigned long pgnum)
+-{
+-	return NULL;
+-}
+-
+-static void *tee_shm_op_map(struct dma_buf *dmabuf, unsigned long pgnum)
+-{
+-	return NULL;
+-}
+-
+-static int tee_shm_op_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma)
+-{
+-	struct tee_shm *shm = dmabuf->priv;
+-	size_t size = vma->vm_end - vma->vm_start;
+-
+-	return remap_pfn_range(vma, vma->vm_start, shm->paddr >> PAGE_SHIFT,
+-			       size, vma->vm_page_prot);
+-}
+-
+-static const struct dma_buf_ops tee_shm_dma_buf_ops = {
+-	.map_dma_buf = tee_shm_op_map_dma_buf,
+-	.unmap_dma_buf = tee_shm_op_unmap_dma_buf,
+-	.release = tee_shm_op_release,
+-	.map_atomic = tee_shm_op_map_atomic,
+-	.map = tee_shm_op_map,
+-	.mmap = tee_shm_op_mmap,
+-};
+-
+ /**
+  * tee_shm_alloc() - Allocate shared memory
+  * @ctx:	Context that allocates the shared memory
+@@ -135,6 +81,7 @@ struct tee_shm *tee_shm_alloc(struct tee_context *ctx, size_t size, u32 flags)
+ 		goto err_dev_put;
+ 	}
+ 
++	refcount_set(&shm->refcount, 1);
+ 	shm->flags = flags;
+ 	shm->teedev = teedev;
+ 	shm->ctx = ctx;
+@@ -157,29 +104,11 @@ struct tee_shm *tee_shm_alloc(struct tee_context *ctx, size_t size, u32 flags)
+ 		goto err_pool_free;
+ 	}
+ 
+-	if (flags & TEE_SHM_DMA_BUF) {
+-		DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
+-
+-		exp_info.ops = &tee_shm_dma_buf_ops;
+-		exp_info.size = shm->size;
+-		exp_info.flags = O_RDWR;
+-		exp_info.priv = shm;
+-
+-		shm->dmabuf = dma_buf_export(&exp_info);
+-		if (IS_ERR(shm->dmabuf)) {
+-			ret = ERR_CAST(shm->dmabuf);
+-			goto err_rem;
+-		}
+-	}
+ 	mutex_lock(&teedev->mutex);
+ 	list_add_tail(&shm->link, &ctx->list_shm);
+ 	mutex_unlock(&teedev->mutex);
+ 
+ 	return shm;
+-err_rem:
+-	mutex_lock(&teedev->mutex);
+-	idr_remove(&teedev->idr, shm->id);
+-	mutex_unlock(&teedev->mutex);
+ err_pool_free:
+ 	poolm->ops->free(poolm, shm);
+ err_kfree:
+@@ -190,6 +119,31 @@ err_dev_put:
+ }
+ EXPORT_SYMBOL_GPL(tee_shm_alloc);
+ 
++static int tee_shm_fop_release(struct inode *inode, struct file *filp)
++{
++	tee_shm_put(filp->private_data);
++	return 0;
++}
++
++static int tee_shm_fop_mmap(struct file *filp, struct vm_area_struct *vma)
++{
++	struct tee_shm *shm = filp->private_data;
++	size_t size = vma->vm_end - vma->vm_start;
++
++	/* check for overflowing the buffer's size */
++	if (vma->vm_pgoff + vma_pages(vma) > shm->size >> PAGE_SHIFT)
++		return -EINVAL;
++
++	return remap_pfn_range(vma, vma->vm_start, shm->paddr >> PAGE_SHIFT,
++			       size, vma->vm_page_prot);
++}
++
++static const struct file_operations tee_shm_fops = {
++	.owner = THIS_MODULE,
++	.release = tee_shm_fop_release,
++	.mmap = tee_shm_fop_mmap,
++};
++
+ /**
+  * tee_shm_get_fd() - Increase reference count and return file descriptor
+  * @shm:	Shared memory handle
+@@ -203,10 +157,11 @@ int tee_shm_get_fd(struct tee_shm *shm)
+ 	if ((shm->flags & req_flags) != req_flags)
+ 		return -EINVAL;
+ 
+-	get_dma_buf(shm->dmabuf);
+-	fd = dma_buf_fd(shm->dmabuf, O_CLOEXEC);
++	/* matched by tee_shm_put() in tee_shm_op_release() */
++	refcount_inc(&shm->refcount);
++	fd = anon_inode_getfd("tee_shm", &tee_shm_fops, shm, O_RDWR);
+ 	if (fd < 0)
+-		dma_buf_put(shm->dmabuf);
++		tee_shm_put(shm);
+ 	return fd;
+ }
+ 
+@@ -216,17 +171,7 @@ int tee_shm_get_fd(struct tee_shm *shm)
+  */
+ void tee_shm_free(struct tee_shm *shm)
+ {
+-	/*
+-	 * dma_buf_put() decreases the dmabuf reference counter and will
+-	 * call tee_shm_release() when the last reference is gone.
+-	 *
+-	 * In the case of driver private memory we call tee_shm_release
+-	 * directly instead as it doesn't have a reference counter.
+-	 */
+-	if (shm->flags & TEE_SHM_DMA_BUF)
+-		dma_buf_put(shm->dmabuf);
+-	else
+-		tee_shm_release(shm);
++	tee_shm_put(shm);
+ }
+ EXPORT_SYMBOL_GPL(tee_shm_free);
+ 
+@@ -327,10 +272,15 @@ struct tee_shm *tee_shm_get_from_id(struct tee_context *ctx, int id)
+ 	teedev = ctx->teedev;
+ 	mutex_lock(&teedev->mutex);
+ 	shm = idr_find(&teedev->idr, id);
++	/*
++	 * If the tee_shm was found in the IDR it must have a refcount
++	 * larger than 0 due to the guarantee in tee_shm_put() below. So
++	 * it's safe to use refcount_inc().
++	 */
+ 	if (!shm || shm->ctx != ctx)
+ 		shm = ERR_PTR(-EINVAL);
+-	else if (shm->flags & TEE_SHM_DMA_BUF)
+-		get_dma_buf(shm->dmabuf);
++	else
++		refcount_inc(&shm->refcount);
+ 	mutex_unlock(&teedev->mutex);
+ 	return shm;
+ }
+@@ -353,7 +303,24 @@ EXPORT_SYMBOL_GPL(tee_shm_get_id);
+  */
+ void tee_shm_put(struct tee_shm *shm)
+ {
+-	if (shm->flags & TEE_SHM_DMA_BUF)
+-		dma_buf_put(shm->dmabuf);
++	struct tee_device *teedev = shm->teedev;
++	bool do_release = false;
++
++	mutex_lock(&teedev->mutex);
++	if (refcount_dec_and_test(&shm->refcount)) {
++		/*
++		 * refcount has reached 0, we must now remove it from the
++		 * IDR before releasing the mutex.  This will guarantee
++		 * that the refcount_inc() in tee_shm_get_from_id() never
++		 * starts from 0.
++		 */
++		if (shm->ctx)
++			list_del(&shm->link);
++		do_release = true;
++	}
++	mutex_unlock(&teedev->mutex);
++
++	if (do_release)
++		tee_shm_release(teedev, shm);
+ }
+ EXPORT_SYMBOL_GPL(tee_shm_put);
+diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
+index 5dfe926c251a7..6029f9b00b4a0 100644
+--- a/drivers/usb/gadget/function/f_fs.c
++++ b/drivers/usb/gadget/function/f_fs.c
+@@ -1688,11 +1688,15 @@ static void ffs_data_clear(struct ffs_data *ffs)
+ 
+ 	BUG_ON(ffs->gadget);
+ 
+-	if (ffs->epfiles)
++	if (ffs->epfiles) {
+ 		ffs_epfiles_destroy(ffs->epfiles, ffs->eps_count);
++		ffs->epfiles = NULL;
++	}
+ 
+-	if (ffs->ffs_eventfd)
++	if (ffs->ffs_eventfd) {
+ 		eventfd_ctx_put(ffs->ffs_eventfd);
++		ffs->ffs_eventfd = NULL;
++	}
+ 
+ 	kfree(ffs->raw_descs_data);
+ 	kfree(ffs->raw_strings);
+@@ -1705,7 +1709,6 @@ static void ffs_data_reset(struct ffs_data *ffs)
+ 
+ 	ffs_data_clear(ffs);
+ 
+-	ffs->epfiles = NULL;
+ 	ffs->raw_descs_data = NULL;
+ 	ffs->raw_descs = NULL;
+ 	ffs->raw_strings = NULL;
+diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
+index 0e419cb53de4f..bf649af49cbdb 100644
+--- a/drivers/usb/host/xhci-pci.c
++++ b/drivers/usb/host/xhci-pci.c
+@@ -100,7 +100,6 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
+ 	/* Look for vendor-specific quirks */
+ 	if (pdev->vendor == PCI_VENDOR_ID_FRESCO_LOGIC &&
+ 			(pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_PDK ||
+-			 pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_FL1100 ||
+ 			 pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_FL1400)) {
+ 		if (pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_PDK &&
+ 				pdev->revision == 0x0) {
+@@ -135,6 +134,10 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
+ 			pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_FL1009)
+ 		xhci->quirks |= XHCI_BROKEN_STREAMS;
+ 
++	if (pdev->vendor == PCI_VENDOR_ID_FRESCO_LOGIC &&
++			pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_FL1100)
++		xhci->quirks |= XHCI_TRUST_TX_LENGTH;
++
+ 	if (pdev->vendor == PCI_VENDOR_ID_NEC)
+ 		xhci->quirks |= XHCI_NEC_HOST;
+ 
+diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
+index c713bd62428f6..6c20a08a54ae1 100644
+--- a/include/net/sctp/sctp.h
++++ b/include/net/sctp/sctp.h
+@@ -118,6 +118,7 @@ extern struct percpu_counter sctp_sockets_allocated;
+ int sctp_asconf_mgmt(struct sctp_sock *, struct sctp_sockaddr_entry *);
+ struct sk_buff *sctp_skb_recv_datagram(struct sock *, int, int, int *);
+ 
++typedef int (*sctp_callback_t)(struct sctp_endpoint *, struct sctp_transport *, void *);
+ int sctp_transport_walk_start(struct rhashtable_iter *iter);
+ void sctp_transport_walk_stop(struct rhashtable_iter *iter);
+ struct sctp_transport *sctp_transport_get_next(struct net *net,
+@@ -128,9 +129,8 @@ int sctp_transport_lookup_process(int (*cb)(struct sctp_transport *, void *),
+ 				  struct net *net,
+ 				  const union sctp_addr *laddr,
+ 				  const union sctp_addr *paddr, void *p);
+-int sctp_for_each_transport(int (*cb)(struct sctp_transport *, void *),
+-			    int (*cb_done)(struct sctp_transport *, void *),
+-			    struct net *net, int *pos, void *p);
++int sctp_transport_traverse_process(sctp_callback_t cb, sctp_callback_t cb_done,
++				    struct net *net, int *pos, void *p);
+ int sctp_for_each_endpoint(int (*cb)(struct sctp_endpoint *, void *), void *p);
+ int sctp_get_sctp_info(struct sock *sk, struct sctp_association *asoc,
+ 		       struct sctp_info *info);
+diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
+index 5831a304e61b2..adbd8ad778f41 100644
+--- a/include/net/sctp/structs.h
++++ b/include/net/sctp/structs.h
+@@ -1272,6 +1272,7 @@ struct sctp_endpoint {
+ 	      reconf_enable:1;
+ 
+ 	__u8  strreset_enable;
++	struct rcu_head rcu;
+ };
+ 
+ /* Recover the outter endpoint structure. */
+@@ -1287,7 +1288,7 @@ static inline struct sctp_endpoint *sctp_ep(struct sctp_ep_common *base)
+ struct sctp_endpoint *sctp_endpoint_new(struct sock *, gfp_t);
+ void sctp_endpoint_free(struct sctp_endpoint *);
+ void sctp_endpoint_put(struct sctp_endpoint *);
+-void sctp_endpoint_hold(struct sctp_endpoint *);
++int sctp_endpoint_hold(struct sctp_endpoint *ep);
+ void sctp_endpoint_add_asoc(struct sctp_endpoint *, struct sctp_association *);
+ struct sctp_association *sctp_endpoint_lookup_assoc(
+ 	const struct sctp_endpoint *ep,
+diff --git a/include/uapi/linux/nfc.h b/include/uapi/linux/nfc.h
+index 399f39ff8048d..1b6d54a328bad 100644
+--- a/include/uapi/linux/nfc.h
++++ b/include/uapi/linux/nfc.h
+@@ -261,7 +261,7 @@ enum nfc_sdp_attr {
+ #define NFC_SE_ENABLED  0x1
+ 
+ struct sockaddr_nfc {
+-	sa_family_t sa_family;
++	__kernel_sa_family_t sa_family;
+ 	__u32 dev_idx;
+ 	__u32 target_idx;
+ 	__u32 nfc_protocol;
+@@ -269,14 +269,14 @@ struct sockaddr_nfc {
+ 
+ #define NFC_LLCP_MAX_SERVICE_NAME 63
+ struct sockaddr_nfc_llcp {
+-	sa_family_t sa_family;
++	__kernel_sa_family_t sa_family;
+ 	__u32 dev_idx;
+ 	__u32 target_idx;
+ 	__u32 nfc_protocol;
+ 	__u8 dsap; /* Destination SAP, if known */
+ 	__u8 ssap; /* Source SAP to be bound to */
+ 	char service_name[NFC_LLCP_MAX_SERVICE_NAME]; /* Service name URI */;
+-	size_t service_name_len;
++	__kernel_size_t service_name_len;
+ };
+ 
+ /* NFC socket protocols */
+diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
+index f31c09873d0f8..d0ef51d49f8a9 100644
+--- a/net/ipv4/af_inet.c
++++ b/net/ipv4/af_inet.c
+@@ -1883,6 +1883,10 @@ static int __init inet_init(void)
+ 
+ 	ip_init();
+ 
++	/* Initialise per-cpu ipv4 mibs */
++	if (init_ipv4_mibs())
++		panic("%s: Cannot init ipv4 mibs\n", __func__);
++
+ 	/* Setup TCP slab cache for open requests. */
+ 	tcp_init();
+ 
+@@ -1911,12 +1915,6 @@ static int __init inet_init(void)
+ 
+ 	if (init_inet_pernet_ops())
+ 		pr_crit("%s: Cannot init ipv4 inet pernet ops\n", __func__);
+-	/*
+-	 *	Initialise per-cpu ipv4 mibs
+-	 */
+-
+-	if (init_ipv4_mibs())
+-		pr_crit("%s: Cannot init ipv4 mibs\n", __func__);
+ 
+ 	ipv4_proc_init();
+ 
+diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c
+index c71b4191df1e7..8d3ee8bb6181d 100644
+--- a/net/sctp/endpointola.c
++++ b/net/sctp/endpointola.c
+@@ -242,6 +242,18 @@ void sctp_endpoint_free(struct sctp_endpoint *ep)
+ }
+ 
+ /* Final destructor for endpoint.  */
++static void sctp_endpoint_destroy_rcu(struct rcu_head *head)
++{
++	struct sctp_endpoint *ep = container_of(head, struct sctp_endpoint, rcu);
++	struct sock *sk = ep->base.sk;
++
++	sctp_sk(sk)->ep = NULL;
++	sock_put(sk);
++
++	kfree(ep);
++	SCTP_DBG_OBJCNT_DEC(ep);
++}
++
+ static void sctp_endpoint_destroy(struct sctp_endpoint *ep)
+ {
+ 	struct sock *sk;
+@@ -275,18 +287,13 @@ static void sctp_endpoint_destroy(struct sctp_endpoint *ep)
+ 	if (sctp_sk(sk)->bind_hash)
+ 		sctp_put_port(sk);
+ 
+-	sctp_sk(sk)->ep = NULL;
+-	/* Give up our hold on the sock */
+-	sock_put(sk);
+-
+-	kfree(ep);
+-	SCTP_DBG_OBJCNT_DEC(ep);
++	call_rcu(&ep->rcu, sctp_endpoint_destroy_rcu);
+ }
+ 
+ /* Hold a reference to an endpoint. */
+-void sctp_endpoint_hold(struct sctp_endpoint *ep)
++int sctp_endpoint_hold(struct sctp_endpoint *ep)
+ {
+-	refcount_inc(&ep->base.refcnt);
++	return refcount_inc_not_zero(&ep->base.refcnt);
+ }
+ 
+ /* Release a reference to an endpoint and clean up if there are
+diff --git a/net/sctp/sctp_diag.c b/net/sctp/sctp_diag.c
+index 6a5a3dfa6c8d6..7c7b476bad310 100644
+--- a/net/sctp/sctp_diag.c
++++ b/net/sctp/sctp_diag.c
+@@ -276,9 +276,8 @@ out:
+ 	return err;
+ }
+ 
+-static int sctp_sock_dump(struct sctp_transport *tsp, void *p)
++static int sctp_sock_dump(struct sctp_endpoint *ep, struct sctp_transport *tsp, void *p)
+ {
+-	struct sctp_endpoint *ep = tsp->asoc->ep;
+ 	struct sctp_comm_param *commp = p;
+ 	struct sock *sk = ep->base.sk;
+ 	struct sk_buff *skb = commp->skb;
+@@ -288,6 +287,8 @@ static int sctp_sock_dump(struct sctp_transport *tsp, void *p)
+ 	int err = 0;
+ 
+ 	lock_sock(sk);
++	if (ep != tsp->asoc->ep)
++		goto release;
+ 	list_for_each_entry(assoc, &ep->asocs, asocs) {
+ 		if (cb->args[4] < cb->args[1])
+ 			goto next;
+@@ -330,9 +331,8 @@ release:
+ 	return err;
+ }
+ 
+-static int sctp_sock_filter(struct sctp_transport *tsp, void *p)
++static int sctp_sock_filter(struct sctp_endpoint *ep, struct sctp_transport *tsp, void *p)
+ {
+-	struct sctp_endpoint *ep = tsp->asoc->ep;
+ 	struct sctp_comm_param *commp = p;
+ 	struct sock *sk = ep->base.sk;
+ 	const struct inet_diag_req_v2 *r = commp->r;
+@@ -490,8 +490,8 @@ skip:
+ 	if (!(idiag_states & ~(TCPF_LISTEN | TCPF_CLOSE)))
+ 		goto done;
+ 
+-	sctp_for_each_transport(sctp_sock_filter, sctp_sock_dump,
+-				net, &pos, &commp);
++	sctp_transport_traverse_process(sctp_sock_filter, sctp_sock_dump,
++					net, &pos, &commp);
+ 	cb->args[2] = pos;
+ 
+ done:
+diff --git a/net/sctp/socket.c b/net/sctp/socket.c
+index 8d64caa72cbaa..fac24f329c1d0 100644
+--- a/net/sctp/socket.c
++++ b/net/sctp/socket.c
+@@ -4738,11 +4738,12 @@ int sctp_transport_lookup_process(int (*cb)(struct sctp_transport *, void *),
+ }
+ EXPORT_SYMBOL_GPL(sctp_transport_lookup_process);
+ 
+-int sctp_for_each_transport(int (*cb)(struct sctp_transport *, void *),
+-			    int (*cb_done)(struct sctp_transport *, void *),
+-			    struct net *net, int *pos, void *p) {
++int sctp_transport_traverse_process(sctp_callback_t cb, sctp_callback_t cb_done,
++				    struct net *net, int *pos, void *p)
++{
+ 	struct rhashtable_iter hti;
+ 	struct sctp_transport *tsp;
++	struct sctp_endpoint *ep;
+ 	int ret;
+ 
+ again:
+@@ -4752,26 +4753,32 @@ again:
+ 
+ 	tsp = sctp_transport_get_idx(net, &hti, *pos + 1);
+ 	for (; !IS_ERR_OR_NULL(tsp); tsp = sctp_transport_get_next(net, &hti)) {
+-		ret = cb(tsp, p);
+-		if (ret)
+-			break;
++		ep = tsp->asoc->ep;
++		if (sctp_endpoint_hold(ep)) { /* asoc can be peeled off */
++			ret = cb(ep, tsp, p);
++			if (ret)
++				break;
++			sctp_endpoint_put(ep);
++		}
+ 		(*pos)++;
+ 		sctp_transport_put(tsp);
+ 	}
+ 	sctp_transport_walk_stop(&hti);
+ 
+ 	if (ret) {
+-		if (cb_done && !cb_done(tsp, p)) {
++		if (cb_done && !cb_done(ep, tsp, p)) {
+ 			(*pos)++;
++			sctp_endpoint_put(ep);
+ 			sctp_transport_put(tsp);
+ 			goto again;
+ 		}
++		sctp_endpoint_put(ep);
+ 		sctp_transport_put(tsp);
+ 	}
+ 
+ 	return ret;
+ }
+-EXPORT_SYMBOL_GPL(sctp_for_each_transport);
++EXPORT_SYMBOL_GPL(sctp_transport_traverse_process);
+ 
+ /* 7.2.1 Association Status (SCTP_STATUS)
+ 
+diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
+index ebc78cb3bc7dc..5a5916fe56928 100755
+--- a/scripts/recordmcount.pl
++++ b/scripts/recordmcount.pl
+@@ -252,7 +252,7 @@ if ($arch eq "x86_64") {
+ 
+ } elsif ($arch eq "s390" && $bits == 64) {
+     if ($cc =~ /-DCC_USING_HOTPATCH/) {
+-	$mcount_regex = "^\\s*([0-9a-fA-F]+):\\s*c0 04 00 00 00 00\\s*(bcrl\\s*0,|jgnop\\s*)[0-9a-f]+ <([^\+]*)>\$";
++	$mcount_regex = "^\\s*([0-9a-fA-F]+):\\s*c0 04 00 00 00 00\\s*(brcl\\s*0,|jgnop\\s*)[0-9a-f]+ <([^\+]*)>\$";
+ 	$mcount_adjust = 0;
+     } else {
+ 	$mcount_regex = "^\\s*([0-9a-fA-F]+):\\s*R_390_(PC|PLT)32DBL\\s+_mcount\\+0x2\$";
+diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
+index 9bb1d492f7047..38a4db1f3aaa3 100644
+--- a/security/selinux/hooks.c
++++ b/security/selinux/hooks.c
+@@ -5321,7 +5321,7 @@ static unsigned int selinux_ip_postroute_compat(struct sk_buff *skb,
+ 	struct common_audit_data ad;
+ 	struct lsm_network_audit net = {0,};
+ 	char *addrp;
+-	u8 proto;
++	u8 proto = 0;
+ 
+ 	if (sk == NULL)
+ 		return NF_ACCEPT;