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authorIngo Molnar <mingo@kernel.org>2017-11-08 10:17:15 +0100
committerIngo Molnar <mingo@kernel.org>2017-11-08 10:17:15 +0100
commit8a103df440afea30c91ebd42e61dc644e647f4bd (patch)
tree2cfa99e9c6e1e138e1404bce4294e46cb0034cce /drivers/usb/core
parentsched/sysctl: Fix attributes of some extern declarations (diff)
parentdrivers/ide-cd: Handle missing driver data during status check gracefully (diff)
downloadlinux-8a103df440afea30c91ebd42e61dc644e647f4bd.tar.xz
linux-8a103df440afea30c91ebd42e61dc644e647f4bd.zip
Merge branch 'linus' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/usb/core')
-rw-r--r--drivers/usb/core/Makefile1
-rw-r--r--drivers/usb/core/config.c6
-rw-r--r--drivers/usb/core/devio.c6
-rw-r--r--drivers/usb/core/hub.c11
-rw-r--r--drivers/usb/core/quirks.c4
5 files changed, 17 insertions, 11 deletions
diff --git a/drivers/usb/core/Makefile b/drivers/usb/core/Makefile
index 250ec1d662d9..92c9cefb4317 100644
--- a/drivers/usb/core/Makefile
+++ b/drivers/usb/core/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for USB Core files and filesystem
#
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index 68b54bd88d1e..883549ee946c 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -960,10 +960,12 @@ int usb_get_bos_descriptor(struct usb_device *dev)
for (i = 0; i < num; i++) {
buffer += length;
cap = (struct usb_dev_cap_header *)buffer;
- length = cap->bLength;
- if (total_len < length)
+ if (total_len < sizeof(*cap) || total_len < cap->bLength) {
+ dev->bos->desc->bNumDeviceCaps = i;
break;
+ }
+ length = cap->bLength;
total_len -= length;
if (cap->bDescriptorType != USB_DT_DEVICE_CAPABILITY) {
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 4664e543cf2f..e9326f31db8d 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -1576,11 +1576,7 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb
totlen += isopkt[u].length;
}
u *= sizeof(struct usb_iso_packet_descriptor);
- if (totlen <= uurb->buffer_length)
- uurb->buffer_length = totlen;
- else
- WARN_ONCE(1, "uurb->buffer_length is too short %d vs %d",
- totlen, uurb->buffer_length);
+ uurb->buffer_length = totlen;
break;
default:
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index b5c733613823..e9ce6bb0b22d 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -2710,13 +2710,16 @@ static int hub_port_wait_reset(struct usb_hub *hub, int port1,
if (!(portstatus & USB_PORT_STAT_CONNECTION))
return -ENOTCONN;
- /* bomb out completely if the connection bounced. A USB 3.0
- * connection may bounce if multiple warm resets were issued,
+ /* Retry if connect change is set but status is still connected.
+ * A USB 3.0 connection may bounce if multiple warm resets were issued,
* but the device may have successfully re-connected. Ignore it.
*/
if (!hub_is_superspeed(hub->hdev) &&
- (portchange & USB_PORT_STAT_C_CONNECTION))
- return -ENOTCONN;
+ (portchange & USB_PORT_STAT_C_CONNECTION)) {
+ usb_clear_port_feature(hub->hdev, port1,
+ USB_PORT_FEAT_C_CONNECTION);
+ return -EAGAIN;
+ }
if (!(portstatus & USB_PORT_STAT_ENABLE))
return -EBUSY;
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 82806e311202..a6aaf2f193a4 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -221,6 +221,10 @@ static const struct usb_device_id usb_quirk_list[] = {
/* Corsair Strafe RGB */
{ USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT },
+ /* MIDI keyboard WORLDE MINI */
+ { USB_DEVICE(0x1c75, 0x0204), .driver_info =
+ USB_QUIRK_CONFIG_INTF_STRINGS },
+
/* Acer C120 LED Projector */
{ USB_DEVICE(0x1de1, 0xc102), .driver_info = USB_QUIRK_NO_LPM },