diff options
Diffstat (limited to 'sys/cam/cam_xpt.c')
| -rw-r--r-- | sys/cam/cam_xpt.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/cam/cam_xpt.c b/sys/cam/cam_xpt.c index 700363a..8c568ec 100644 --- a/sys/cam/cam_xpt.c +++ b/sys/cam/cam_xpt.c @@ -4022,13 +4022,19 @@ xpt_async(u_int32_t async_code, struct cam_path *path, void *async_arg) && path->device->lun_id != CAM_LUN_WILDCARD && device->lun_id != CAM_LUN_WILDCARD) continue; - + /* + * The async callback could free the device. + * If it is a broadcast async, it doesn't hold + * device reference, so take our own reference. + */ + xpt_acquire_device(device); (*(bus->xport->async))(async_code, bus, target, device, async_arg); xpt_async_bcast(&device->asyncs, async_code, path, async_arg); + xpt_release_device(device); } } |
