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| author | Vladimir Kondratyev <wulf@FreeBSD.org> | 2017-11-01 22:19:19 +0000 |
|---|---|---|
| committer | Vladimir Kondratyev <wulf@FreeBSD.org> | 2017-11-01 22:19:19 +0000 |
| commit | f3f8069493a5a9db77a5f660f4f9e613742fdc42 (patch) | |
| tree | d95c1dddb49f9985c141aeca0af5c9a46d62eabf /sys/dev/evdev | |
| parent | f7ee4f902906722add89629da9000c01856c8c91 (diff) | |
| download | src-f3f8069493a5a9db77a5f660f4f9e613742fdc42.tar.gz src-f3f8069493a5a9db77a5f660f4f9e613742fdc42.zip | |
evdev: Take driver's lock in cdev write handler if necessary
Reviewed by: gonzo
Approved by: gonzo (mentor)
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D12676
Notes
Notes:
svn path=/head/; revision=325296
Diffstat (limited to 'sys/dev/evdev')
| -rw-r--r-- | sys/dev/evdev/evdev.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/dev/evdev/evdev.c b/sys/dev/evdev/evdev.c index 3eb82f042097..f00c76383864 100644 --- a/sys/dev/evdev/evdev.c +++ b/sys/dev/evdev/evdev.c @@ -813,7 +813,11 @@ evdev_inject_event(struct evdev_dev *evdev, uint16_t type, uint16_t code, case EV_ABS: case EV_SW: push: + if (evdev->ev_lock_type != EV_LOCK_INTERNAL) + EVDEV_LOCK(evdev); ret = evdev_push_event(evdev, type, code, value); + if (evdev->ev_lock_type != EV_LOCK_INTERNAL) + EVDEV_UNLOCK(evdev); break; default: |