M. Vefa Bicakci 7a2f2974f2 usbip: Implement a match function to fix usbip ... Commit 88b7381a93 ("USB: Select better matching USB drivers when available") introduced the use of a "match" function to select a non-generic/better driver for a particular USB device. This unfortunately breaks the operation of usbip in general, as reported in the kernel bugzilla with bug 208267 (linked below). Upon inspecting the aforementioned commit, one can observe that the original code in the usb_device_match function used to return 1 unconditionally, but the aforementioned commit makes the usb_device_match function use identifier tables and "match" virtual functions, if either of them are available. Hence, this commit implements a match function for usbip that unconditionally returns true to ensure that usbip is functional again. This change has been verified to restore usbip functionality, with a v5.7.y kernel on an up-to-date version of Qubes OS 4.0, which uses usbip to redirect USB devices between VMs. Thanks to Jonathan Dieter for the effort in bisecting this issue down to the aforementioned commit. Fixes: 88b7381a93 ("USB: Select better matching USB drivers when available") Link: https://bugzilla.kernel.org/show_bug.cgi?id=208267 Link: https://bugzilla.redhat.com/show_bug.cgi?id=1856443 Link: https://github.com/QubesOS/qubes-issues/issues/5905 Signed-off-by: M. Vefa Bicakci <m.v.b@runbox.com> Cc: <stable@vger.kernel.org> # 5.7 Cc: Valentina Manea <valentina.manea.m@gmail.com> Cc: Alan Stern <stern@rowland.harvard.edu> Reviewed-by: Bastien Nocera <hadess@hadess.net> Reviewed-by: Shuah Khan <skhan@linuxfoundation.org> Link: https://lore.kernel.org/r/20200810160017.46002-1-m.v.b@runbox.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2020-08-18 11:55:23 +02:00
..
Kconfig	treewide: replace '---help---' in Kconfig files with 'help'	2020-06-14 01:57:21 +09:00
Makefile
stub.h	usbip: Implement SG support to vhci-hcd and stub driver	2019-09-03 16:00:38 +02:00
stub_dev.c	usbip: Implement a match function to fix usbip	2020-08-18 11:55:23 +02:00
stub_main.c	usbip: Implement SG support to vhci-hcd and stub driver	2019-09-03 16:00:38 +02:00
stub_rx.c	usbip: Use fallthrough pseudo-keyword	2020-07-09 18:06:35 +02:00
stub_tx.c	usbip: clean up an indentation issue	2019-10-04 14:09:42 +02:00
usbip_common.c	usbip: Fix receive error in vhci-hcd when using scatter-gather	2019-12-17 16:36:32 +01:00
usbip_common.h
usbip_event.c
vhci.h
vhci_hcd.c	usbip: Use fallthrough pseudo-keyword	2020-07-09 18:06:35 +02:00
vhci_rx.c	usbip: Use fallthrough pseudo-keyword	2020-07-09 18:06:35 +02:00
vhci_sysfs.c
vhci_tx.c	usbip: Fix free of unallocated memory in vhci tx	2019-10-28 17:51:06 +01:00
vudc.h
vudc_dev.c
vudc_main.c
vudc_rx.c
vudc_sysfs.c
vudc_transfer.c	usbip: Use fallthrough pseudo-keyword	2020-07-09 18:06:35 +02:00
vudc_tx.c