An unlock may be missing before line 2568.

julia

---------- Forwarded message ---------- Date: Fri, 30 Jun 2017 01:26:56 +0800 From: kbuild test robot fengguang.wu@intel.com To: kbuild@01.org Cc: Julia Lawall julia.lawall@lip6.fr Subject: Re: [Intel-gfx] [PATCH 10/13] drm/fb-helper: Support deferred setup

CC: kbuild-all@01.org In-Reply-To: 20170627145936.18983-11-daniel.vetter@ffwll.ch TO: Daniel Vetter daniel.vetter@ffwll.ch CC: DRI Development dri-devel@lists.freedesktop.org CC: Daniel Vetter daniel.vetter@ffwll.ch, Intel Graphics Development intel-gfx@lists.freedesktop.org, Thierry Reding treding@nvidia.com, John Stultz john.stultz@linaro.org, Liviu Dudau liviu@dudau.co.uk

Hi Daniel,

[auto build test WARNING on drm/drm-next] [cannot apply to v4.12-rc7] [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/Daniel-Vetter/fbdev-locking-rework-... base: git://people.freedesktop.org/~airlied/linux.git drm-next :::::: branch date: 18 hours ago :::::: commit date: 18 hours ago

...

drivers/gpu/drm/drm_fb_helper.c:2568:2-8: preceding lock on line 2564

git remote add linux-review https://github.com/0day-ci/linux git remote update linux-review git checkout 34aa55278652265fb627a38e182e60fc5afb7ee0 vim +2568 drivers/gpu/drm/drm_fb_helper.c

386516744 Dave Airlie 2010-03-30 2558 { 719ad2ebd Thierry Reding 2017-06-27 2559 int err = 0; 5c4426a78 Dave Airlie 2010-03-30 2560 f64c5573d Daniel Vetter 2015-08-25 2561 if (!drm_fbdev_emulation) f64c5573d Daniel Vetter 2015-08-25 2562 return 0; f64c5573d Daniel Vetter 2015-08-25 2563 719ad2ebd Thierry Reding 2017-06-27 @2564 mutex_lock(&fb_helper->lock); 34aa55278 Daniel Vetter 2017-06-27 2565 if (fb_helper->deferred_setup) { 34aa55278 Daniel Vetter 2017-06-27 2566 err = __drm_fb_helper_initial_config(fb_helper, 34aa55278 Daniel Vetter 2017-06-27 2567 fb_helper->preferred_bpp); 34aa55278 Daniel Vetter 2017-06-27 @2568 return err; 34aa55278 Daniel Vetter 2017-06-27 2569 } 34aa55278 Daniel Vetter 2017-06-27 2570 50c3dc970 Daniel Vetter 2014-06-27 2571 if (!fb_helper->fb || !drm_fb_helper_is_bound(fb_helper)) {

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