diff options
| author | n_hibma <n_hibma@FreeBSD.org> | 2001-09-02 09:26:14 +0000 |
|---|---|---|
| committer | n_hibma <n_hibma@FreeBSD.org> | 2001-09-02 09:26:14 +0000 |
| commit | 8d3cf62e68b29b3aa2a0b90b438389799f660b83 (patch) | |
| tree | 2b374499d95568b635e6846c65fe8d0cb12eacd6 /sys/dev/usb/ukbd.c | |
| parent | d280926250c4f3a68af238c5ff83287cca0c36e2 (diff) | |
| download | FreeBSD-src-8d3cf62e68b29b3aa2a0b90b438389799f660b83.zip FreeBSD-src-8d3cf62e68b29b3aa2a0b90b438389799f660b83.tar.gz | |
Only clear endpoint stall if status was USBD_STALLED.
This avoids panicing the system by unplugging a hub. The interrupt transfer
would sometimes arrive after the driver had been removed.
Diffstat (limited to 'sys/dev/usb/ukbd.c')
| -rw-r--r-- | sys/dev/usb/ukbd.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/dev/usb/ukbd.c b/sys/dev/usb/ukbd.c index ad2c8f1..6d3aa4e 100644 --- a/sys/dev/usb/ukbd.c +++ b/sys/dev/usb/ukbd.c @@ -700,7 +700,8 @@ ukbd_interrupt(keyboard_t *kbd, void *arg) if (status != USBD_NORMAL_COMPLETION) { DPRINTF(("ukbd_intr: status=%d\n", status)); - usbd_clear_endpoint_stall_async(state->ks_intrpipe); + if (status == USBD_STALLED) + usbd_clear_endpoint_stall_async(state->ks_intrpipe); return 0; } |
