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linux/drivers/usb/core
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Alan Stern c78c3644b7 usb: Fix regression caused by invalid ep0 maxpacket in virtual SuperSpeed device 
A virtual SuperSpeed device in the FreeBSD BVCP package
(https://bhyve.npulse.net/) presents an invalid ep0 maxpacket size of 256.
It stopped working with Linux following a recent commit because now we
check these sizes more carefully than before.

Fix this regression by using the bMaxpacketSize0 value in the device
descriptor for SuperSpeed or faster devices, even if it is invalid.  This
is a very simple-minded change; we might want to check more carefully for
values that actually make some sense (for instance, no smaller than 64).

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-and-tested-by: Roger Whittaker <roger.whittaker@suse.com>
Closes: https://bugzilla.suse.com/show_bug.cgi?id=1220569
Link: https://lore.kernel.org/linux-usb/9efbd569-7059-4575-983f-0ea30df41871@suse.com/
Fixes: 59cf445754 ("USB: core: Fix oversight in SuperSpeed initialization")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/4058ac05-237c-4db4-9ecc-5af42bdb4501@rowland.harvard.edu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2024-04-30 18:05:27 +02:00
..
Kconfig usb: core: Kconfig: Improve USB authorization mode help 2024-02-17 16:38:35 +01:00
Makefile usb: misc: Add onboard_usb_hub driver 2022-07-08 14:53:50 +02:00
buffer.c - Yosry Ahmed brought back some cgroup v1 stats in OOM logs. 2023-06-28 10:28:11 -07:00
config.c usb: config: fix iteration issue in 'usb_get_bos_descriptor()' 2023-11-21 15:30:56 +01:00
devices.c USB: Remove remnants of Wireless USB and UWB 2023-08-09 14:17:06 +02:00
devio.c usb: convert to new timestamp accessors 2023-10-18 13:26:17 +02:00
driver.c usb: usb_autopm_get_interface use modern helper 2024-01-27 16:43:48 -08:00
endpoint.c usb: core: constify the struct device_type usage 2024-02-19 09:35:46 +01:00
file.c USB: make usb class a const structure 2023-07-25 17:49:30 +02:00
generic.c usb: core: Fix crash w/ usb_choose_configuration() if no driver 2023-12-15 13:54:09 +01:00
hcd-pci.c usb: pci-quirks: handle HAS_IOPORT dependency for AMD quirk 2023-10-02 16:19:12 +02:00
hcd.c USB/Thunderbolt changes for 6.9-rc1 2024-03-21 12:35:20 -07:00
hub.c usb: Fix regression caused by invalid ep0 maxpacket in virtual SuperSpeed device 2024-04-30 18:05:27 +02:00
hub.h USB: core: Add hub_get() and hub_put() routines 2024-03-26 15:02:12 +01:00
ledtrig-usbport.c usb: core: Use module_led_trigger macro to simplify the code 2023-08-22 14:44:23 +02:00
message.c USB: document some API requirements on disconnection 2024-03-02 20:37:14 +01:00
notify.c USB: core: Remove usbfs_mutex 2019-06-26 10:28:09 +08:00
of.c usb: core: Set connect_type of ports based on DT node 2024-03-05 13:28:46 +00:00
otg_productlist.h USB: OTG: rename product list of devices 2020-06-19 08:58:55 +02:00
phy.c usb: core: add phy notify connect and disconnect 2024-01-27 17:36:14 -08:00
phy.h usb: core: add phy notify connect and disconnect 2024-01-27 17:36:14 -08:00
port.c USB: core: Fix access violation during port device removal 2024-04-23 16:25:49 -07:00
quirks.c usb: new quirk to reduce the SET_ADDRESS request timeout 2023-11-23 12:32:44 +00:00
sysfs.c USB: core: Fix deadlock in usb_deauthorize_interface() 2024-03-26 11:02:47 +01:00
urb.c USB: Remove remnants of Wireless USB and UWB 2023-08-09 14:17:06 +02:00
usb-acpi.c usb: usb-acpi: Fix oops due to freeing uninitialized pld pointer 2024-03-19 13:07:35 +01:00
usb.c usb: core: constify the struct device_type usage 2024-02-19 09:35:46 +01:00
usb.h usb: core: constify the struct device_type usage 2024-02-19 09:35:46 +01:00