The lack of unlock looks suspicious, although I haven't studied the complete context. Also, is 0 correct as a return value in an error case? julia ---------- Forwarded message ---------- Date: Wed, 6 Jul 2016 00:27:34 +0800 From: kbuild test robot <fengguang.wu@xxxxxxxxx> To: kbuild@xxxxxx Cc: Julia Lawall <julia.lawall@xxxxxxx> Subject: Re: [PATCH 14/27] HID: wacom: EKR: add a worker to add/remove resources on addition/removal CC: kbuild-all@xxxxxx In-Reply-To: <1467729563-23318-15-git-send-email-benjamin.tissoires@xxxxxxxxxx> TO: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx> CC: Jiri Kosina <jikos@xxxxxxxxxx>, Ping Cheng <pinglinux@xxxxxxxxx>, Jason Gerecke <killertofu@xxxxxxxxx>, Aaron Skomra <skomra@xxxxxxxxx>, Peter Hutterer <peter.hutterer@xxxxxxxxx> CC: linux-kernel@xxxxxxxxxxxxxxx, linux-input@xxxxxxxxxxxxxxx Hi, [auto build test WARNING on hid/for-next] [also build test WARNING on v4.7-rc6 next-20160705] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Benjamin-Tissoires/HID-wacom-cleanup-EKR-LED/20160705-225431 base: https://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid.git for-next :::::: branch date: 2 hours ago :::::: commit date: 2 hours ago >> drivers/hid/wacom_wac.c:851:2-8: preceding lock on line 846 git remote add linux-review https://github.com/0day-ci/linux git remote update linux-review git checkout cbd7a16fa28311673663974b9edc48bd00d83815 vim +851 drivers/hid/wacom_wac.c 72b236d6 Aaron Skomra 2015-08-20 840 bool connected = data[j+2]; 72b236d6 Aaron Skomra 2015-08-20 841 cbd7a16f Benjamin Tissoires 2016-07-05 842 remote_data.remote[i].serial = serial; cbd7a16f Benjamin Tissoires 2016-07-05 843 remote_data.remote[i].connected = connected; 72b236d6 Aaron Skomra 2015-08-20 844 } 72b236d6 Aaron Skomra 2015-08-20 845 cbd7a16f Benjamin Tissoires 2016-07-05 @846 spin_lock_irqsave(&wacom->remote_lock, flags); 72b236d6 Aaron Skomra 2015-08-20 847 cbd7a16f Benjamin Tissoires 2016-07-05 848 ret = kfifo_in(&wacom->remote_fifo, &remote_data, sizeof(remote_data)); cbd7a16f Benjamin Tissoires 2016-07-05 849 if (ret != sizeof(remote_data)) { cbd7a16f Benjamin Tissoires 2016-07-05 850 hid_err(wacom->hdev, "Can't queue Remote status event.\n"); cbd7a16f Benjamin Tissoires 2016-07-05 @851 return 0; 72b236d6 Aaron Skomra 2015-08-20 852 } 72b236d6 Aaron Skomra 2015-08-20 853 cbd7a16f Benjamin Tissoires 2016-07-05 854 spin_unlock_irqrestore(&wacom->remote_lock, flags); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html