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Message-ID: <202408060140.glPvoH1S-lkp@intel.com>
Date: Tue, 6 Aug 2024 02:09:32 +0800
From: kernel test robot <lkp@...el.com>
To: "Jiri Slaby (SUSE)" <jirislaby@...nel.org>, gregkh@...uxfoundation.org
Cc: oe-kbuild-all@...ts.linux.dev, linux-serial@...r.kernel.org,
linux-kernel@...r.kernel.org,
"Jiri Slaby (SUSE)" <jirislaby@...nel.org>
Subject: Re: [PATCH 05/13] serial: use guards for simple mutex locks
Hi Jiri,
kernel test robot noticed the following build errors:
[auto build test ERROR on tty/tty-testing]
[also build test ERROR on tty/tty-next tty/tty-linus usb/usb-testing usb/usb-next usb/usb-linus linus/master v6.11-rc2 next-20240805]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Jiri-Slaby-SUSE/tty-simplify-tty_dev_name_to_number-using-guard-mutex/20240805-184227
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing
patch link: https://lore.kernel.org/r/20240805102046.307511-6-jirislaby%40kernel.org
patch subject: [PATCH 05/13] serial: use guards for simple mutex locks
config: openrisc-defconfig (https://download.01.org/0day-ci/archive/20240806/202408060140.glPvoH1S-lkp@intel.com/config)
compiler: or1k-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240806/202408060140.glPvoH1S-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202408060140.glPvoH1S-lkp@intel.com/
All errors (new ones prefixed by >>):
drivers/tty/serial/serial_core.c: In function 'uart_suspend_port':
>> drivers/tty/serial/serial_core.c:2400:17: error: label 'unlock' used but not defined
2400 | goto unlock;
| ^~~~
vim +/unlock +2400 drivers/tty/serial/serial_core.c
b3b708fa2780cd drivers/serial/serial_core.c Guennadi Liakhovetski 2007-10-16 2369
ccce6debb62d94 drivers/serial/serial_core.c Alan Cox 2009-09-19 2370 int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport)
^1da177e4c3f41 drivers/serial/serial_core.c Linus Torvalds 2005-04-16 2371 {
ccce6debb62d94 drivers/serial/serial_core.c Alan Cox 2009-09-19 2372 struct uart_state *state = drv->state + uport->line;
ccce6debb62d94 drivers/serial/serial_core.c Alan Cox 2009-09-19 2373 struct tty_port *port = &state->port;
b3b708fa2780cd drivers/serial/serial_core.c Guennadi Liakhovetski 2007-10-16 2374 struct device *tty_dev;
ccce6debb62d94 drivers/serial/serial_core.c Alan Cox 2009-09-19 2375 struct uart_match match = {uport, drv};
^1da177e4c3f41 drivers/serial/serial_core.c Linus Torvalds 2005-04-16 2376
d2d8bbc5cc74b7 drivers/tty/serial/serial_core.c Jiri Slaby (SUSE 2024-08-05 2377) guard(mutex)(&port->mutex);
^1da177e4c3f41 drivers/serial/serial_core.c Linus Torvalds 2005-04-16 2378
b286f4e87e325b drivers/tty/serial/serial_core.c Tony Lindgren 2023-11-13 2379 tty_dev = device_find_child(&uport->port_dev->dev, &match, serial_match_port);
88e2582e90bb89 drivers/tty/serial/serial_core.c Lucas Stach 2017-05-11 2380 if (tty_dev && device_may_wakeup(tty_dev)) {
aef3ad103a686f drivers/tty/serial/serial_core.c Andy Shevchenko 2017-08-13 2381 enable_irq_wake(uport->irq);
b3b708fa2780cd drivers/serial/serial_core.c Guennadi Liakhovetski 2007-10-16 2382 put_device(tty_dev);
b3b708fa2780cd drivers/serial/serial_core.c Guennadi Liakhovetski 2007-10-16 2383 return 0;
b3b708fa2780cd drivers/serial/serial_core.c Guennadi Liakhovetski 2007-10-16 2384 }
5a65dcc04cda41 drivers/tty/serial/serial_core.c Federico Vaga 2013-04-15 2385 put_device(tty_dev);
5a65dcc04cda41 drivers/tty/serial/serial_core.c Federico Vaga 2013-04-15 2386
c9d2325cdb92fd drivers/tty/serial/serial_core.c Vijaya Krishna Nivarthi 2022-05-16 2387 /*
c9d2325cdb92fd drivers/tty/serial/serial_core.c Vijaya Krishna Nivarthi 2022-05-16 2388 * Nothing to do if the console is not suspending
c9d2325cdb92fd drivers/tty/serial/serial_core.c Vijaya Krishna Nivarthi 2022-05-16 2389 * except stop_rx to prevent any asynchronous data
cfab87c2c27157 drivers/tty/serial/serial_core.c Vijaya Krishna Nivarthi 2022-06-08 2390 * over RX line. However ensure that we will be
cfab87c2c27157 drivers/tty/serial/serial_core.c Vijaya Krishna Nivarthi 2022-06-08 2391 * able to Re-start_rx later.
c9d2325cdb92fd drivers/tty/serial/serial_core.c Vijaya Krishna Nivarthi 2022-05-16 2392 */
c9d2325cdb92fd drivers/tty/serial/serial_core.c Vijaya Krishna Nivarthi 2022-05-16 2393 if (!console_suspend_enabled && uart_console(uport)) {
abcb0cf1f5b2d9 drivers/tty/serial/serial_core.c John Ogness 2023-05-25 2394 if (uport->ops->start_rx) {
559c7ff4e32455 drivers/tty/serial/serial_core.c Thomas Gleixner 2023-09-14 2395 uart_port_lock_irq(uport);
c9d2325cdb92fd drivers/tty/serial/serial_core.c Vijaya Krishna Nivarthi 2022-05-16 2396 uport->ops->stop_rx(uport);
559c7ff4e32455 drivers/tty/serial/serial_core.c Thomas Gleixner 2023-09-14 2397 uart_port_unlock_irq(uport);
abcb0cf1f5b2d9 drivers/tty/serial/serial_core.c John Ogness 2023-05-25 2398 }
a47cf07f60dcb0 drivers/tty/serial/serial_core.c Claudiu Beznea 2024-04-30 2399 device_set_awake_path(uport->dev);
b164c9721e3ea4 drivers/tty/serial/serial_core.c Peter Hurley 2015-01-22 @2400 goto unlock;
c9d2325cdb92fd drivers/tty/serial/serial_core.c Vijaya Krishna Nivarthi 2022-05-16 2401 }
b164c9721e3ea4 drivers/tty/serial/serial_core.c Peter Hurley 2015-01-22 2402
ccce6debb62d94 drivers/serial/serial_core.c Alan Cox 2009-09-19 2403 uport->suspended = 1;
b3b708fa2780cd drivers/serial/serial_core.c Guennadi Liakhovetski 2007-10-16 2404
d41861ca19c9e9 drivers/tty/serial/serial_core.c Peter Hurley 2016-04-09 2405 if (tty_port_initialized(port)) {
ccce6debb62d94 drivers/serial/serial_core.c Alan Cox 2009-09-19 2406 const struct uart_ops *ops = uport->ops;
c8c6bfa39d6bd7 drivers/serial/serial_core.c Russell King 2008-02-04 2407 int tries;
18c9d4a3c249e9 drivers/tty/serial/serial_core.c Al Cooper 2022-03-24 2408 unsigned int mctrl;
^1da177e4c3f41 drivers/serial/serial_core.c Linus Torvalds 2005-04-16 2409
75b20a2ac425b9 drivers/tty/serial/serial_core.c Ilpo Järvinen 2023-01-17 2410 tty_port_set_suspended(port, true);
515be7baeddb04 drivers/tty/serial/serial_core.c Ilpo Järvinen 2023-01-17 2411 tty_port_set_initialized(port, false);
a6b93a90850881 drivers/serial/serial_core.c Russell King 2006-10-01 2412
559c7ff4e32455 drivers/tty/serial/serial_core.c Thomas Gleixner 2023-09-14 2413 uart_port_lock_irq(uport);
ccce6debb62d94 drivers/serial/serial_core.c Alan Cox 2009-09-19 2414 ops->stop_tx(uport);
7c7f9bc986e698 drivers/tty/serial/serial_core.c Lukas Wunner 2022-09-22 2415 if (!(uport->rs485.flags & SER_RS485_ENABLED))
ccce6debb62d94 drivers/serial/serial_core.c Alan Cox 2009-09-19 2416 ops->set_mctrl(uport, 0);
18c9d4a3c249e9 drivers/tty/serial/serial_core.c Al Cooper 2022-03-24 2417 /* save mctrl so it can be restored on resume */
18c9d4a3c249e9 drivers/tty/serial/serial_core.c Al Cooper 2022-03-24 2418 mctrl = uport->mctrl;
18c9d4a3c249e9 drivers/tty/serial/serial_core.c Al Cooper 2022-03-24 2419 uport->mctrl = 0;
ccce6debb62d94 drivers/serial/serial_core.c Alan Cox 2009-09-19 2420 ops->stop_rx(uport);
559c7ff4e32455 drivers/tty/serial/serial_core.c Thomas Gleixner 2023-09-14 2421 uart_port_unlock_irq(uport);
^1da177e4c3f41 drivers/serial/serial_core.c Linus Torvalds 2005-04-16 2422
^1da177e4c3f41 drivers/serial/serial_core.c Linus Torvalds 2005-04-16 2423 /*
^1da177e4c3f41 drivers/serial/serial_core.c Linus Torvalds 2005-04-16 2424 * Wait for the transmitter to empty.
^1da177e4c3f41 drivers/serial/serial_core.c Linus Torvalds 2005-04-16 2425 */
ccce6debb62d94 drivers/serial/serial_core.c Alan Cox 2009-09-19 2426 for (tries = 3; !ops->tx_empty(uport) && tries; tries--)
^1da177e4c3f41 drivers/serial/serial_core.c Linus Torvalds 2005-04-16 2427 msleep(10);
c8c6bfa39d6bd7 drivers/serial/serial_core.c Russell King 2008-02-04 2428 if (!tries)
cade3580f79aeb drivers/tty/serial/serial_core.c Andy Shevchenko 2017-03-31 2429 dev_err(uport->dev, "%s: Unable to drain transmitter\n",
cade3580f79aeb drivers/tty/serial/serial_core.c Andy Shevchenko 2017-03-31 2430 uport->name);
^1da177e4c3f41 drivers/serial/serial_core.c Linus Torvalds 2005-04-16 2431
ccce6debb62d94 drivers/serial/serial_core.c Alan Cox 2009-09-19 2432 ops->shutdown(uport);
18c9d4a3c249e9 drivers/tty/serial/serial_core.c Al Cooper 2022-03-24 2433 uport->mctrl = mctrl;
^1da177e4c3f41 drivers/serial/serial_core.c Linus Torvalds 2005-04-16 2434 }
^1da177e4c3f41 drivers/serial/serial_core.c Linus Torvalds 2005-04-16 2435
^1da177e4c3f41 drivers/serial/serial_core.c Linus Torvalds 2005-04-16 2436 /*
^1da177e4c3f41 drivers/serial/serial_core.c Linus Torvalds 2005-04-16 2437 * Disable the console device before suspending.
^1da177e4c3f41 drivers/serial/serial_core.c Linus Torvalds 2005-04-16 2438 */
b164c9721e3ea4 drivers/tty/serial/serial_core.c Peter Hurley 2015-01-22 2439 if (uart_console(uport))
ccce6debb62d94 drivers/serial/serial_core.c Alan Cox 2009-09-19 2440 console_stop(uport->cons);
^1da177e4c3f41 drivers/serial/serial_core.c Linus Torvalds 2005-04-16 2441
6f538fe31c1d45 drivers/tty/serial/serial_core.c Linus Walleij 2012-12-07 2442 uart_change_pm(state, UART_PM_STATE_OFF);
^1da177e4c3f41 drivers/serial/serial_core.c Linus Torvalds 2005-04-16 2443
^1da177e4c3f41 drivers/serial/serial_core.c Linus Torvalds 2005-04-16 2444 return 0;
^1da177e4c3f41 drivers/serial/serial_core.c Linus Torvalds 2005-04-16 2445 }
15dc475bcc1739 drivers/tty/serial/serial_core.c Jiri Slaby 2022-01-24 2446 EXPORT_SYMBOL(uart_suspend_port);
^1da177e4c3f41 drivers/serial/serial_core.c Linus Torvalds 2005-04-16 2447
--
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https://github.com/intel/lkp-tests/wiki
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