Double lock on lines 1476 and 1479
julia
---------- Forwarded message ----------
Date: Sun, 18 Mar 2018 09:44:59 +0800
From: kbuild test robot <fengguang.wu@xxxxxxxxx>
To: kbuild@xxxxxx
Cc: Julia Lawall <julia.lawall@xxxxxxx>
Subject: [input:next 2064/2066]
drivers/input/touchscreen/usbtouchscreen.c:1476:1-11: second lock on line
1479
CC: kbuild-all@xxxxxx
CC: linux-input@xxxxxxxxxxxxxxx
TO: Marcus Folkesson <marcus.folkesson@xxxxxxxxx>
CC: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next
head: 68106869e8026f95795f677c544639109b5bcf2f
commit: 5648f00809c3b549340d022f7942f97a94197e0d [2064/2066] Input: usbtouchscreen - fix deadlock in autosuspend
:::::: branch date: 8 hours ago
:::::: commit date: 8 hours ago
>> drivers/input/touchscreen/usbtouchscreen.c:1476:1-11: second lock on line 1479
# https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git/commit/?id=5648f00809c3b549340d022f7942f97a94197e0d
git remote add input https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git
git remote update input
git checkout 5648f00809c3b549340d022f7942f97a94197e0d
vim +1476 drivers/input/touchscreen/usbtouchscreen.c
1d3e2023 drivers/usb/input/usbtouchscreen.c Daniel Ritz 2006-03-29 1470
1d3e2023 drivers/usb/input/usbtouchscreen.c Daniel Ritz 2006-03-29 1471 static void usbtouch_close(struct input_dev *input)
1d3e2023 drivers/usb/input/usbtouchscreen.c Daniel Ritz 2006-03-29 1472 {
7791bdae drivers/usb/input/usbtouchscreen.c Dmitry Torokhov 2007-04-12 1473 struct usbtouch_usb *usbtouch = input_get_drvdata(input);
5d9efc59 drivers/input/touchscreen/usbtouchscreen.c Oliver Neukum 2010-07-15 1474 int r;
1d3e2023 drivers/usb/input/usbtouchscreen.c Daniel Ritz 2006-03-29 1475
5648f008 drivers/input/touchscreen/usbtouchscreen.c Marcus Folkesson 2018-03-17 @1476 mutex_lock(&usbtouch->pm_mutex);
2330ed18 drivers/input/touchscreen/usbtouchscreen.c Daniel Silverstone 2009-11-23 1477 if (!usbtouch->type->irq_always)
1d3e2023 drivers/usb/input/usbtouchscreen.c Daniel Ritz 2006-03-29 1478 usb_kill_urb(usbtouch->irq);
5648f008 drivers/input/touchscreen/usbtouchscreen.c Marcus Folkesson 2018-03-17 @1479 mutex_lock(&usbtouch->pm_mutex);
5648f008 drivers/input/touchscreen/usbtouchscreen.c Marcus Folkesson 2018-03-17 1480
5d9efc59 drivers/input/touchscreen/usbtouchscreen.c Oliver Neukum 2010-07-15 1481 r = usb_autopm_get_interface(usbtouch->interface);
5d9efc59 drivers/input/touchscreen/usbtouchscreen.c Oliver Neukum 2010-07-15 1482 usbtouch->interface->needs_remote_wakeup = 0;
5d9efc59 drivers/input/touchscreen/usbtouchscreen.c Oliver Neukum 2010-07-15 1483 if (!r)
5d9efc59 drivers/input/touchscreen/usbtouchscreen.c Oliver Neukum 2010-07-15 1484 usb_autopm_put_interface(usbtouch->interface);
1d3e2023 drivers/usb/input/usbtouchscreen.c Daniel Ritz 2006-03-29 1485 }
1d3e2023 drivers/usb/input/usbtouchscreen.c Daniel Ritz 2006-03-29 1486
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