diff options
| -rw-r--r-- | sys/dev/mxge/if_mxge.c | 6 | ||||
| -rw-r--r-- | sys/dev/mxge/if_mxge_var.h | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/sys/dev/mxge/if_mxge.c b/sys/dev/mxge/if_mxge.c index c5d497b..16453e9 100644 --- a/sys/dev/mxge/if_mxge.c +++ b/sys/dev/mxge/if_mxge.c @@ -3906,6 +3906,10 @@ mxge_ioctl(struct ifnet *ifp, u_long command, caddr_t data) case SIOCSIFFLAGS: mtx_lock(&sc->driver_mtx); + if (sc->dying) { + mtx_unlock(&sc->driver_mtx); + return EINVAL; + } if (ifp->if_flags & IFF_UP) { if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { err = mxge_open(sc); @@ -4590,6 +4594,7 @@ mxge_attach(device_t dev) mxge_media_status); mxge_set_media(sc, IFM_ETHER | IFM_AUTO); mxge_media_probe(sc); + sc->dying = 0; ether_ifattach(ifp, sc->mac_addr); /* ether_ifattach sets mtu to ETHERMTU */ if (mxge_initial_mtu != ETHERMTU) @@ -4637,6 +4642,7 @@ mxge_detach(device_t dev) return EBUSY; } mtx_lock(&sc->driver_mtx); + sc->dying = 1; if (sc->ifp->if_drv_flags & IFF_DRV_RUNNING) mxge_close(sc); mtx_unlock(&sc->driver_mtx); diff --git a/sys/dev/mxge/if_mxge_var.h b/sys/dev/mxge/if_mxge_var.h index 8d1da2e..47c39b5 100644 --- a/sys/dev/mxge/if_mxge_var.h +++ b/sys/dev/mxge/if_mxge_var.h @@ -266,6 +266,7 @@ struct mxge_softc { int need_media_probe; int num_slices; int rx_ring_size; + int dying; mxge_dma_t dmabench_dma; struct callout co_hdl; struct sysctl_oid *slice_sysctl_tree; |
