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-rw-r--r--drivers/usb/atm/ueagle-atm.c18
-rw-r--r--drivers/usb/common/usb-conn-gpio.c3
-rw-r--r--drivers/usb/core/hcd.c42
-rw-r--r--drivers/usb/core/urb.c1
-rw-r--r--drivers/usb/misc/adutux.c2
-rw-r--r--drivers/usb/misc/idmouse.c2
-rw-r--r--drivers/usb/mon/mon_bin.c32
-rw-r--r--drivers/usb/roles/class.c2
-rw-r--r--drivers/usb/serial/io_edgeport.c10
-rw-r--r--drivers/usb/storage/scsiglue.c3
-rw-r--r--drivers/usb/typec/class.c6
11 files changed, 72 insertions, 49 deletions
diff --git a/drivers/usb/atm/ueagle-atm.c b/drivers/usb/atm/ueagle-atm.c
index 8b0ea8c70d73..635cf0466b59 100644
--- a/drivers/usb/atm/ueagle-atm.c
+++ b/drivers/usb/atm/ueagle-atm.c
@@ -2124,10 +2124,11 @@ resubmit:
/*
* Start the modem : init the data and start kernel thread
*/
-static int uea_boot(struct uea_softc *sc)
+static int uea_boot(struct uea_softc *sc, struct usb_interface *intf)
{
- int ret, size;
struct intr_pkt *intr;
+ int ret = -ENOMEM;
+ int size;
uea_enters(INS_TO_USBDEV(sc));
@@ -2152,6 +2153,11 @@ static int uea_boot(struct uea_softc *sc)
if (UEA_CHIP_VERSION(sc) == ADI930)
load_XILINX_firmware(sc);
+ if (intf->cur_altsetting->desc.bNumEndpoints < 1) {
+ ret = -ENODEV;
+ goto err0;
+ }
+
intr = kmalloc(size, GFP_KERNEL);
if (!intr)
goto err0;
@@ -2163,8 +2169,7 @@ static int uea_boot(struct uea_softc *sc)
usb_fill_int_urb(sc->urb_int, sc->usb_dev,
usb_rcvintpipe(sc->usb_dev, UEA_INTR_PIPE),
intr, size, uea_intr, sc,
- sc->usb_dev->actconfig->interface[0]->altsetting[0].
- endpoint[0].desc.bInterval);
+ intf->cur_altsetting->endpoint[0].desc.bInterval);
ret = usb_submit_urb(sc->urb_int, GFP_KERNEL);
if (ret < 0) {
@@ -2179,6 +2184,7 @@ static int uea_boot(struct uea_softc *sc)
sc->kthread = kthread_create(uea_kthread, sc, "ueagle-atm");
if (IS_ERR(sc->kthread)) {
uea_err(INS_TO_USBDEV(sc), "failed to create thread\n");
+ ret = PTR_ERR(sc->kthread);
goto err2;
}
@@ -2193,7 +2199,7 @@ err1:
kfree(intr);
err0:
uea_leaves(INS_TO_USBDEV(sc));
- return -ENOMEM;
+ return ret;
}
/*
@@ -2548,7 +2554,7 @@ static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf,
}
}
- ret = uea_boot(sc);
+ ret = uea_boot(sc, intf);
if (ret < 0)
goto error;
diff --git a/drivers/usb/common/usb-conn-gpio.c b/drivers/usb/common/usb-conn-gpio.c
index 87338f9eb5be..ed204cbb63ea 100644
--- a/drivers/usb/common/usb-conn-gpio.c
+++ b/drivers/usb/common/usb-conn-gpio.c
@@ -156,7 +156,8 @@ static int usb_conn_probe(struct platform_device *pdev)
info->vbus = devm_regulator_get(dev, "vbus");
if (IS_ERR(info->vbus)) {
- dev_err(dev, "failed to get vbus\n");
+ if (PTR_ERR(info->vbus) != -EPROBE_DEFER)
+ dev_err(dev, "failed to get vbus\n");
return PTR_ERR(info->vbus);
}
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 281568d464f9..aa45840d8273 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1409,7 +1409,17 @@ int usb_hcd_map_urb_for_dma(struct usb_hcd *hcd, struct urb *urb,
if (usb_endpoint_xfer_control(&urb->ep->desc)) {
if (hcd->self.uses_pio_for_control)
return ret;
- if (hcd_uses_dma(hcd)) {
+ if (hcd->localmem_pool) {
+ ret = hcd_alloc_coherent(
+ urb->dev->bus, mem_flags,
+ &urb->setup_dma,
+ (void **)&urb->setup_packet,
+ sizeof(struct usb_ctrlrequest),
+ DMA_TO_DEVICE);
+ if (ret)
+ return ret;
+ urb->transfer_flags |= URB_SETUP_MAP_LOCAL;
+ } else if (hcd_uses_dma(hcd)) {
if (object_is_on_stack(urb->setup_packet)) {
WARN_ONCE(1, "setup packet is on stack\n");
return -EAGAIN;
@@ -1424,23 +1434,22 @@ int usb_hcd_map_urb_for_dma(struct usb_hcd *hcd, struct urb *urb,
urb->setup_dma))
return -EAGAIN;
urb->transfer_flags |= URB_SETUP_MAP_SINGLE;
- } else if (hcd->localmem_pool) {
- ret = hcd_alloc_coherent(
- urb->dev->bus, mem_flags,
- &urb->setup_dma,
- (void **)&urb->setup_packet,
- sizeof(struct usb_ctrlrequest),
- DMA_TO_DEVICE);
- if (ret)
- return ret;
- urb->transfer_flags |= URB_SETUP_MAP_LOCAL;
}
}
dir = usb_urb_dir_in(urb) ? DMA_FROM_DEVICE : DMA_TO_DEVICE;
if (urb->transfer_buffer_length != 0
&& !(urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP)) {
- if (hcd_uses_dma(hcd)) {
+ if (hcd->localmem_pool) {
+ ret = hcd_alloc_coherent(
+ urb->dev->bus, mem_flags,
+ &urb->transfer_dma,
+ &urb->transfer_buffer,
+ urb->transfer_buffer_length,
+ dir);
+ if (ret == 0)
+ urb->transfer_flags |= URB_MAP_LOCAL;
+ } else if (hcd_uses_dma(hcd)) {
if (urb->num_sgs) {
int n;
@@ -1491,15 +1500,6 @@ int usb_hcd_map_urb_for_dma(struct usb_hcd *hcd, struct urb *urb,
else
urb->transfer_flags |= URB_DMA_MAP_SINGLE;
}
- } else if (hcd->localmem_pool) {
- ret = hcd_alloc_coherent(
- urb->dev->bus, mem_flags,
- &urb->transfer_dma,
- &urb->transfer_buffer,
- urb->transfer_buffer_length,
- dir);
- if (ret == 0)
- urb->transfer_flags |= URB_MAP_LOCAL;
}
if (ret && (urb->transfer_flags & (URB_SETUP_MAP_SINGLE |
URB_SETUP_MAP_LOCAL)))
diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c
index 0eab79f82ce4..da923ec17612 100644
--- a/drivers/usb/core/urb.c
+++ b/drivers/usb/core/urb.c
@@ -45,6 +45,7 @@ void usb_init_urb(struct urb *urb)
if (urb) {
memset(urb, 0, sizeof(*urb));
kref_init(&urb->kref);
+ INIT_LIST_HEAD(&urb->urb_list);
INIT_LIST_HEAD(&urb->anchor_list);
}
}
diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c
index 6f5edb9fc61e..d8d157c4c271 100644
--- a/drivers/usb/misc/adutux.c
+++ b/drivers/usb/misc/adutux.c
@@ -669,7 +669,7 @@ static int adu_probe(struct usb_interface *interface,
init_waitqueue_head(&dev->read_wait);
init_waitqueue_head(&dev->write_wait);
- res = usb_find_common_endpoints_reverse(&interface->altsetting[0],
+ res = usb_find_common_endpoints_reverse(interface->cur_altsetting,
NULL, NULL,
&dev->interrupt_in_endpoint,
&dev->interrupt_out_endpoint);
diff --git a/drivers/usb/misc/idmouse.c b/drivers/usb/misc/idmouse.c
index 4afb5ddfd361..e9437a176518 100644
--- a/drivers/usb/misc/idmouse.c
+++ b/drivers/usb/misc/idmouse.c
@@ -322,7 +322,7 @@ static int idmouse_probe(struct usb_interface *interface,
int result;
/* check if we have gotten the data or the hid interface */
- iface_desc = &interface->altsetting[0];
+ iface_desc = interface->cur_altsetting;
if (iface_desc->desc.bInterfaceClass != 0x0A)
return -ENODEV;
diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c
index ac2b4fcc265f..f48a23adbc35 100644
--- a/drivers/usb/mon/mon_bin.c
+++ b/drivers/usb/mon/mon_bin.c
@@ -1039,12 +1039,18 @@ static long mon_bin_ioctl(struct file *file, unsigned int cmd, unsigned long arg
mutex_lock(&rp->fetch_lock);
spin_lock_irqsave(&rp->b_lock, flags);
- mon_free_buff(rp->b_vec, rp->b_size/CHUNK_SIZE);
- kfree(rp->b_vec);
- rp->b_vec = vec;
- rp->b_size = size;
- rp->b_read = rp->b_in = rp->b_out = rp->b_cnt = 0;
- rp->cnt_lost = 0;
+ if (rp->mmap_active) {
+ mon_free_buff(vec, size/CHUNK_SIZE);
+ kfree(vec);
+ ret = -EBUSY;
+ } else {
+ mon_free_buff(rp->b_vec, rp->b_size/CHUNK_SIZE);
+ kfree(rp->b_vec);
+ rp->b_vec = vec;
+ rp->b_size = size;
+ rp->b_read = rp->b_in = rp->b_out = rp->b_cnt = 0;
+ rp->cnt_lost = 0;
+ }
spin_unlock_irqrestore(&rp->b_lock, flags);
mutex_unlock(&rp->fetch_lock);
}
@@ -1216,13 +1222,21 @@ mon_bin_poll(struct file *file, struct poll_table_struct *wait)
static void mon_bin_vma_open(struct vm_area_struct *vma)
{
struct mon_reader_bin *rp = vma->vm_private_data;
+ unsigned long flags;
+
+ spin_lock_irqsave(&rp->b_lock, flags);
rp->mmap_active++;
+ spin_unlock_irqrestore(&rp->b_lock, flags);
}
static void mon_bin_vma_close(struct vm_area_struct *vma)
{
+ unsigned long flags;
+
struct mon_reader_bin *rp = vma->vm_private_data;
+ spin_lock_irqsave(&rp->b_lock, flags);
rp->mmap_active--;
+ spin_unlock_irqrestore(&rp->b_lock, flags);
}
/*
@@ -1234,16 +1248,12 @@ static vm_fault_t mon_bin_vma_fault(struct vm_fault *vmf)
unsigned long offset, chunk_idx;
struct page *pageptr;
- mutex_lock(&rp->fetch_lock);
offset = vmf->pgoff << PAGE_SHIFT;
- if (offset >= rp->b_size) {
- mutex_unlock(&rp->fetch_lock);
+ if (offset >= rp->b_size)
return VM_FAULT_SIGBUS;
- }
chunk_idx = offset / CHUNK_SIZE;
pageptr = rp->b_vec[chunk_idx].pg;
get_page(pageptr);
- mutex_unlock(&rp->fetch_lock);
vmf->page = pageptr;
return 0;
}
diff --git a/drivers/usb/roles/class.c b/drivers/usb/roles/class.c
index 8273126ffdf4..63a00ff26655 100644
--- a/drivers/usb/roles/class.c
+++ b/drivers/usb/roles/class.c
@@ -169,8 +169,8 @@ EXPORT_SYMBOL_GPL(fwnode_usb_role_switch_get);
void usb_role_switch_put(struct usb_role_switch *sw)
{
if (!IS_ERR_OR_NULL(sw)) {
- put_device(&sw->dev);
module_put(sw->dev.parent->driver->owner);
+ put_device(&sw->dev);
}
}
EXPORT_SYMBOL_GPL(usb_role_switch_put);
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index 48a439298a68..9690a5f4b9d6 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -2901,16 +2901,18 @@ static int edge_startup(struct usb_serial *serial)
response = 0;
if (edge_serial->is_epic) {
+ struct usb_host_interface *alt;
+
+ alt = serial->interface->cur_altsetting;
+
/* EPIC thing, set up our interrupt polling now and our read
* urb, so that the device knows it really is connected. */
interrupt_in_found = bulk_in_found = bulk_out_found = false;
- for (i = 0; i < serial->interface->altsetting[0]
- .desc.bNumEndpoints; ++i) {
+ for (i = 0; i < alt->desc.bNumEndpoints; ++i) {
struct usb_endpoint_descriptor *endpoint;
int buffer_size;
- endpoint = &serial->interface->altsetting[0].
- endpoint[i].desc;
+ endpoint = &alt->endpoint[i].desc;
buffer_size = usb_endpoint_maxp(endpoint);
if (!interrupt_in_found &&
(usb_endpoint_is_int_in(endpoint))) {
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
index 66a4dcbbb1fc..f4c2359abb1b 100644
--- a/drivers/usb/storage/scsiglue.c
+++ b/drivers/usb/storage/scsiglue.c
@@ -135,7 +135,8 @@ static int slave_configure(struct scsi_device *sdev)
* For such controllers we need to make sure the block layer sets
* up bounce buffers in addressable memory.
*/
- if (!hcd_uses_dma(bus_to_hcd(us->pusb_dev->bus)))
+ if (!hcd_uses_dma(bus_to_hcd(us->pusb_dev->bus)) ||
+ (bus_to_hcd(us->pusb_dev->bus)->localmem_pool != NULL))
blk_queue_bounce_limit(sdev->request_queue, BLK_BOUNCE_HIGH);
/*
diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
index 7ece6ca6e690..91d62276b56f 100644
--- a/drivers/usb/typec/class.c
+++ b/drivers/usb/typec/class.c
@@ -1612,14 +1612,16 @@ struct typec_port *typec_register_port(struct device *parent,
port->sw = typec_switch_get(&port->dev);
if (IS_ERR(port->sw)) {
+ ret = PTR_ERR(port->sw);
put_device(&port->dev);
- return ERR_CAST(port->sw);
+ return ERR_PTR(ret);
}
port->mux = typec_mux_get(&port->dev, NULL);
if (IS_ERR(port->mux)) {
+ ret = PTR_ERR(port->mux);
put_device(&port->dev);
- return ERR_CAST(port->mux);
+ return ERR_PTR(ret);
}
ret = device_add(&port->dev);