linux/drivers/usb/gadget
yuan linyu 2a587a0352 usb: udc: remove warning when queue disabled ep
It is possible trigger below warning message from mass storage function,

WARNING: CPU: 6 PID: 3839 at drivers/usb/gadget/udc/core.c:294 usb_ep_queue+0x7c/0x104
pc : usb_ep_queue+0x7c/0x104
lr : fsg_main_thread+0x494/0x1b3c

Root cause is mass storage function try to queue request from main thread,
but other thread may already disable ep when function disable.

As there is no function failure in the driver, in order to avoid effort
to fix warning, change WARN_ON_ONCE() in usb_ep_queue() to pr_debug().

Suggested-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable@vger.kernel.org
Signed-off-by: yuan linyu <yuanlinyu@hihonor.com>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20240315020144.2715575-1-yuanlinyu@hihonor.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2024-03-26 14:58:36 +01:00
..
function USB/Thunderbolt changes for 6.9-rc1 2024-03-21 12:35:20 -07:00
legacy usb: gadget: webcam: Make g_webcam loadable again 2023-12-15 18:27:38 +01:00
udc usb: udc: remove warning when queue disabled ep 2024-03-26 14:58:36 +01:00
composite.c usb: gadget: composite: cleanup function config_ep_by_speed_and_alt() 2023-08-22 14:48:33 +02:00
config.c usb: gadget: config: remove max speed check in usb_assign_descriptors() 2023-08-22 14:48:33 +02:00
configfs.c usb: gadget: configfs: Replace snprintf() with the safer scnprintf() variant 2023-12-15 13:55:29 +01:00
configfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
epautoconf.c usb: gadget: fix for a typo that conveys logically-inverted information. 2021-09-14 10:27:54 +02:00
functions.c USB: add SPDX identifiers to all remaining files in drivers/usb/ 2017-11-04 11:48:02 +01:00
Kconfig usb: gadget: functionfs: Add DMABUF import interface 2024-02-17 17:00:09 +01:00
Makefile usb: gadget: Makefile: remove ccflags-y 2022-03-18 12:56:08 +01:00
u_f.c usb: gadget: Change Andrzej Pietrasiewicz's e-mail address 2019-02-11 11:12:29 +02:00
u_f.h USB: gadget: u_f: Unbreak offset calculation in VLAs 2020-08-27 09:25:06 +02:00
u_os_desc.h usb: gadget: Change Andrzej Pietrasiewicz's e-mail address 2019-02-11 11:12:29 +02:00
usbstring.c usb: gadget: fix langid kernel-doc warning in usbstring.c 2020-07-09 10:13:07 +03:00