diff options
Diffstat (limited to 'sys/dev/evdev/cdev.c')
| -rw-r--r-- | sys/dev/evdev/cdev.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/sys/dev/evdev/cdev.c b/sys/dev/evdev/cdev.c index c4550362ebce..ec60a12dbf2d 100644 --- a/sys/dev/evdev/cdev.c +++ b/sys/dev/evdev/cdev.c @@ -126,19 +126,20 @@ evdev_open(struct cdev *dev, int oflags, int devtype, struct thread *td) mtx_init(&client->ec_buffer_mtx, "evclient", "evdev", MTX_DEF); knlist_init_mtx(&client->ec_selp.si_note, &client->ec_buffer_mtx); + ret = EVDEV_LIST_LOCK_SIG(evdev); + if (ret != 0) + goto out; /* Avoid race with evdev_unregister */ - EVDEV_LIST_LOCK(evdev); if (dev->si_drv1 == NULL) ret = ENODEV; else ret = evdev_register_client(evdev, client); - - if (ret != 0) - evdev_revoke_client(client); EVDEV_LIST_UNLOCK(evdev); - +out: if (ret == 0) ret = devfs_set_cdevpriv(client, evdev_dtor); + else + client->ec_revoked = true; if (ret != 0) { debugf(client, "cannot register evdev client"); |