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(parent: 66a8d5b) | patch
gpu/drm: Fix lock held when returning to user space.
authorTetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Thu, 10 Jan 2019 10:19:31 +0000 (19:19 +0900)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Thu, 10 Jan 2019 10:31:58 +0000 (11:31 +0100)
commit4089e272ac61603931beb024d4d640de2cb390e0
tree55f42a1a1fff6be303cdb2c5df0ebee71bb58360tree | snapshot
parent66a8d5bfb518f9f12d47e1d2dce1732279f9451ecommit | diff
gpu/drm: Fix lock held when returning to user space.

We need to call drm_modeset_acquire_fini() when drm_atomic_state_alloc()
failed or call drm_modeset_acquire_init() after drm_atomic_state_alloc()
succeeded.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reported-by: syzbot <syzbot+6ea337c427f5083ebdf2@syzkaller.appspotmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1547115571-21219-1-git-send-email-penguin-kernel@I-love.SAKURA.ne.jp
drivers/gpu/drm/drm_atomic_uapi.c diff | blob | history
drivers/gpu/drm/drm_mode_object.c diff | blob | history
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