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Date: Mon, 26 May 2014 19:22:49 +0200 From: Johan Hovold <jhovold@...il.com> To: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Cc: Oliver Neukum <oneukum@...e.de>, Alan Stern <stern@...land.harvard.edu>, Xiao Jin <jin.xiao@...el.com>, linux-usb@...r.kernel.org, Johan Hovold <jhovold@...il.com>, linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org, Jiri Slaby <jslaby@...e.cz>, Peter Hurley <peter@...leysoftware.com>, One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>, david.a.cohen@...ux.intel.com, yanmin.zhang@...el.com Subject: [PATCH 00/63] USB: (mostly runtime PM) patches for v3.16-rc Turns out that the three current implementations of aggressive runtime power management in USB-TTY drivers were quite badly broken (and has so been since first merged in v2.6.27 and v2.6.32). These patches fix this runtime PM mess, but also do some clean up and fix a few other issues. Note that all patches but the cdc-acm ones (and the single wusbcore one) are usb-serial, but I decided to include them all in one series as several bugs were reproduced in both cdc-acm and usb-serial. For reference, I'm responding to the thread with Xiao Jin's initial bug report, but the full thread is posted to linux-usb only. Johan Johan Hovold (61): USB: sierra: fix AA deadlock in open error path USB: sierra: fix use after free at suspend/resume USB: sierra: fix urb and memory leak in resume error path USB: sierra: fix urb and memory leak on disconnect USB: sierra: fix remote wakeup USB: sierra: fix characters being dropped at close USB: sierra: fix urbs not being killed on shutdown USB: sierra: fix resume error reporting USB: sierra: fix line-control pipe direction USB: sierra: remove bogus endpoint test USB: sierra: remove unused variable USB: sierra: remove unimplemented set_termios USB: sierra: remove disconnected test from close USB: sierra: do not resume I/O on closed ports USB: sierra: remove redundant modem-control requests USB: sierra: use interface-data accessors USB: sierra: clean up suspend USB: sierra: refactor delayed-urb submission USB: sierra: minimise no-suspend window during close USB: sierra: do not resume I/O on closing ports USB: option: fix runtime PM handling USB: option: fix line-control pipe direction USB: option: add missing usb_mark_last_busy USB: usb_wwan: fix write and suspend race USB: usb_wwan: fix urb leak at shutdown USB: usb_wwan: fix potential NULL-deref at resume USB: usb_wwan: fix potential blocked I/O after resume USB: usb_wwan: fix discarded writes on resume errors USB: usb_wwan: fix remote wakeup USB: usb_wwan: remove redundant modem-control request USB: usb_wwan: remove unimplemented set_termios USB: usb_wwan: remove redundant urb kill from port remove USB: usb_wwan: kill interrupt urb explicitly at suspend USB: usb_wwan: make resume error messages uniform USB: usb_wwan: use interface-data accessors USB: usb_wwan: clean up delayed-urb submission USB: usb_wwan: remove comment from close USB: usb_wwan: remove some superfluous comments USB: usb_wwan: remove bogus function prototype USB: usb_wwan: report failed submissions as errors USB: usb_wwan: do not resume I/O on closing ports USB: serial: fix potential runtime pm imbalance at device remove USB: serial: remove overly defensive port tests USB: kobil_sct: fix control requests without data stage USB: cdc-acm: fix write and suspend race USB: cdc-acm: fix write and resume race USB: cdc-acm: fix broken runtime suspend USB: cdc-acm: fix runtime PM for control messages USB: cdc-acm: fix shutdown and suspend race USB: cdc-acm: fix potential urb leak and PM imbalance in write USB: cdc-acm: fix open and suspend race USB: cdc-acm: fix failed open not being detected USB: cdc-acm: fix I/O after failed open USB: cdc-acm: fix runtime PM imbalance at shutdown USB: cdc-acm: simplify runtime PM locking USB: cdc-acm: remove redundant disconnected test from shutdown USB: cdc-acm: minimise no-suspend window during shutdown USB: cdc-acm: do not update PM busy on read errors USB: cdc-acm: remove redundant usb_mark_last_busy USB: cdc-acm: use tty-port dtr_rts USB: wusbcore: fix control-pipe directions xiao jin (2): USB: usb_wwan: fix urb leak in write error path USB: usb_wwan: fix race between write and resume drivers/usb/class/cdc-acm.c | 177 +++++++++++++++++------------- drivers/usb/class/cdc-acm.h | 2 +- drivers/usb/serial/bus.c | 14 ++- drivers/usb/serial/kobil_sct.c | 22 ++-- drivers/usb/serial/option.c | 13 ++- drivers/usb/serial/sierra.c | 198 ++++++++++++++++++++-------------- drivers/usb/serial/usb-serial.c | 38 +++---- drivers/usb/serial/usb-wwan.h | 6 +- drivers/usb/serial/usb_wwan.c | 234 ++++++++++++++++++++-------------------- drivers/usb/wusbcore/wa-rpipe.c | 4 +- 10 files changed, 390 insertions(+), 318 deletions(-) -- 1.8.5.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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