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Fix "struct ifnet" leaks when attach() fails in the middle.

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This commit is contained in:
Ruslan Ermilov 2005-09-16 11:25:19 +00:00
parent 8b28aef238
commit ad61f89618
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=150215
9 changed files with 31 additions and 16 deletions
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9
sys/dev/bfe/if_bfe.c
View File

@ -427,11 +427,8 @@ bfe_attach(device_t dev)
goto fail;
}
fail:
if(error) {
if (error)
bfe_release_resources(sc);
if (ifp != NULL)
if_free(ifp);
}
return (error);
}
@ -451,7 +448,6 @@ bfe_detach(device_t dev)
if (device_is_attached(dev)) {
bfe_stop(sc);
ether_ifdetach(ifp);
if_free(ifp);
}
bfe_chip_reset(sc);
@ -939,6 +935,9 @@ bfe_release_resources(struct bfe_softc *sc)
if (sc->bfe_res != NULL)
bus_release_resource(dev, SYS_RES_MEMORY, 0x10, sc->bfe_res);
if (sc->bfe_ifp != NULL)
if_free(sc->bfe_ifp);
if(sc->bfe_tx_tag != NULL) {
bus_dmamap_unload(sc->bfe_tx_tag, sc->bfe_tx_map);
bus_dmamem_free(sc->bfe_tx_tag, sc->bfe_tx_list,

5
sys/dev/bge/if_bge.c
View File

@ -2460,7 +2460,6 @@ bge_attach(dev)
printf("bge%d: MII without any PHY!\n", sc->bge_unit);
bge_release_resources(sc);
bge_free_jumbo_mem(sc);
if_free(ifp);
error = ENXIO;
goto fail;
}
@ -2524,7 +2523,6 @@ bge_detach(dev)
BGE_UNLOCK(sc);
ether_ifdetach(ifp);
if_free(ifp);
if (sc->bge_tbi) {
ifmedia_removeall(&sc->bge_ifmedia);
@ -2565,6 +2563,9 @@ bge_release_resources(sc)
bus_release_resource(dev, SYS_RES_MEMORY,
BGE_PCI_BAR0, sc->bge_res);
if (sc->bge_ifp != NULL)
if_free(sc->bge_ifp);
bge_dma_free(sc);
if (mtx_initialized(&sc->bge_mtx)) /* XXX */

2
sys/dev/cnw/if_cnw.c
View File

@ -1627,6 +1627,7 @@ static int cnw_pccard_attach(device_t dev)
error = cnw_alloc(dev);
if (error) {
device_printf(dev, "cnw_alloc() failed! (%d)\n", error);
if_free(ifp);
return (error);
}
@ -1636,6 +1637,7 @@ static int cnw_pccard_attach(device_t dev)
if (error) {
device_printf(dev, "bus_setup_intr() failed! (%d)\n", error);
cnw_free(dev);
if_free(ifp);
return (error);
}

3
sys/dev/ed/if_ed.c
View File

@ -252,6 +252,8 @@ ed_release_resources(device_t dev)
sc->irq_rid, sc->irq_res);
sc->irq_res = 0;
}
if (sc->ifp)
if_free(sc->ifp);
}
/*
@ -374,7 +376,6 @@ ed_detach(device_t dev)
ED_UNLOCK(sc);
callout_drain(&sc->tick_ch);
ether_ifdetach(ifp);
if_free(ifp);
bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
ed_release_resources(dev);
ED_LOCK_DESTROY(sc);

11
sys/dev/en/if_en_pci.c
View File

@ -199,8 +199,11 @@ en_pci_attach(device_t dev)
sc = device_get_softc(dev);
scp = (struct en_pci_softc *)sc;
sc->ifp = if_alloc(IFT_ATM);
if (sc->ifp == NULL)
return (ENOSPC);
if (sc->ifp == NULL) {
device_printf(dev, "can not if_alloc()\n");
error = ENOSPC;
goto fail;
}
if_initname(sc->ifp, device_get_name(dev),
device_get_unit(dev));
@ -220,6 +223,7 @@ en_pci_attach(device_t dev)
RF_ACTIVE);
if (scp->res == NULL) {
device_printf(dev, "could not map memory\n");
if_free(sc->ifp);
error = ENXIO;
goto fail;
}
@ -237,6 +241,7 @@ en_pci_attach(device_t dev)
if (scp->irq == NULL) {
device_printf(dev, "could not map interrupt\n");
bus_release_resource(dev, SYS_RES_MEMORY, PCI_CBMA, scp->res);
if_free(sc->ifp);
error = ENXIO;
goto fail;
}
@ -267,6 +272,7 @@ en_pci_attach(device_t dev)
bus_teardown_intr(dev, scp->irq, scp->ih);
bus_release_resource(dev, SYS_RES_IRQ, 0, scp->irq);
bus_release_resource(dev, SYS_RES_MEMORY, PCI_CBMA, scp->res);
if_free(sc->ifp);
goto fail;
}
@ -283,6 +289,7 @@ en_pci_attach(device_t dev)
bus_release_resource(dev, SYS_RES_IRQ, 0, scp->irq);
bus_release_resource(dev, SYS_RES_MEMORY, PCI_CBMA, scp->res);
en_destroy(sc);
if_free(sc->ifp);
goto fail;
}

4
sys/dev/ex/if_ex.c
View File

@ -196,6 +196,9 @@ ex_release_resources(device_t dev)
sc->irq = NULL;
}
if (sc->ifp)
if_free(sc->ifp);
return;
}
@ -276,7 +279,6 @@ ex_detach(device_t dev)
ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
ether_ifdetach(ifp);
if_free(ifp);
ex_release_resources(dev);

7
sys/dev/hatm/if_hatm.c
View File

@ -497,6 +497,9 @@ hatm_destroy(struct hatm_softc *sc)
cv_destroy(&sc->cv_rcclose);
cv_destroy(&sc->vcc_cv);
mtx_destroy(&sc->mtx);
if (sc->ifp != NULL)
if_free(sc->ifp);
}
/*
@ -1631,7 +1634,6 @@ hatm_detach(device_t dev)
mtx_unlock(&sc->mtx);
atm_ifdetach(sc->ifp);
if_free(sc->ifp);
hatm_destroy(sc);
@ -1655,8 +1657,7 @@ hatm_attach(device_t dev)
ifp = sc->ifp = if_alloc(IFT_ATM);
if (ifp == NULL) {
device_printf(dev, "could not if_alloc()\n");
error = ENOSPC;
goto failed;
return (ENOSPC);
}
sc->dev = dev;

3
sys/dev/ie/if_ie.c
View File

@ -1777,6 +1777,8 @@ ie_release_resources (device_t dev)
if (sc->mem_res)
bus_release_resource(dev, SYS_RES_MEMORY,
sc->mem_rid, sc->mem_res);
if (sc->ifp)
if_free(sc->ifp);
return;
}
@ -1796,7 +1798,6 @@ ie_detach (device_t dev)
ie_stop(sc);
ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
ether_ifdetach(ifp);
if_free(ifp);
ie_release_resources(dev);
return (0);

3
sys/dev/vge/if_vge.c
View File

@ -1122,8 +1122,9 @@ vge_detach(dev)
*/
ifp->if_flags &= ~IFF_UP;
ether_ifdetach(ifp);
if_free(ifp);
}
if (ifp)
if_free(ifp);
if (sc->vge_miibus)
device_delete_child(dev, sc->vge_miibus);
bus_generic_detach(dev);