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Diffstat (limited to 'sys/dev/evdev/cdev.c')
| -rw-r--r-- | sys/dev/evdev/cdev.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sys/dev/evdev/cdev.c b/sys/dev/evdev/cdev.c index 433444973779..615a70bafc79 100644 --- a/sys/dev/evdev/cdev.c +++ b/sys/dev/evdev/cdev.c @@ -349,6 +349,19 @@ evdev_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, if (client->ec_revoked || evdev == NULL) return (ENODEV); + /* + * Fix evdev state corrupted with discarding of kdb events. + * EVIOCGKEY and EVIOCGLED ioctls can suffer from this. + */ + if (evdev->ev_kdb_active) { + EVDEV_LOCK(evdev); + if (evdev->ev_kdb_active) { + evdev->ev_kdb_active = false; + evdev_restore_after_kdb(evdev); + } + EVDEV_UNLOCK(evdev); + } + /* file I/O ioctl handling */ switch (cmd) { case FIOSETOWN: |