diff options
| author | Martin Pieuchot <mpi@cvs.openbsd.org> | 2017-09-23 06:12:15 +0000 |
|---|---|---|
| committer | Martin Pieuchot <mpi@cvs.openbsd.org> | 2017-09-23 06:12:15 +0000 |
| commit | 1ea57800e0e76824bbf3417e890c7cab3285ff6c (patch) | |
| tree | 262d99171d0a09d08f99239391589ca1313dc039 /sys/dev/usb | |
| parent | dd193077bf1771ede04d1ae29e4478a37fa1b399 (diff) | |
Add dummy FIOASYNC handler.
Without it uhid_do_ioctl() will return EINVAL which will make the
upper layer assume that uhid node do not support non-blocking reads.
Fix a regression introduced by the removal of SIGIO support.
Reported by many, fix tested by Bryan Linton, Micah Muer and Nam Nguyen.
Diffstat (limited to 'sys/dev/usb')
| -rw-r--r-- | sys/dev/usb/uhid.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/dev/usb/uhid.c b/sys/dev/usb/uhid.c index 184f30879e9..d7761677c69 100644 --- a/sys/dev/usb/uhid.c +++ b/sys/dev/usb/uhid.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uhid.c,v 1.68 2017/07/20 16:54:45 mpi Exp $ */ +/* $OpenBSD: uhid.c,v 1.69 2017/09/23 06:12:14 mpi Exp $ */ /* $NetBSD: uhid.c,v 1.57 2003/03/11 16:44:00 augustss Exp $ */ /* @@ -359,6 +359,7 @@ uhid_do_ioctl(struct uhid_softc *sc, u_long cmd, caddr_t addr, switch (cmd) { case FIONBIO: + case FIOASYNC: /* All handled in the upper FS layer. */ break; |