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authorMike Pagano <mpagano@gentoo.org>2022-01-05 07:56:07 -0500
committerMike Pagano <mpagano@gentoo.org>2022-01-05 07:56:07 -0500
commitfe21ecac863d9081e7be747ad3e6c68678732bbd (patch)
tree7530f9b1078f89a0e33d9c0ab142a58793dc5105
parentLinux patch 4.14.260 (diff)
downloadlinux-patches-4.14-271.tar.gz
linux-patches-4.14-271.tar.bz2
linux-patches-4.14-271.zip
Linux patch 4.14.2614.14-271
Signed-off-by: Mike Pagano <mpagano@gentoo.org>
-rw-r--r--0000_README4
-rw-r--r--1260_linux-4.14.261.patch873
2 files changed, 877 insertions, 0 deletions
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;