Date: Wed, 6 Jun 2012 02:42:31 +0000 (UTC) From: Kevin Lo <kevlo@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r236649 - head/sys/dev/ae Message-ID: <201206060242.q562gVhJ063331@svn.freebsd.org>
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Author: kevlo Date: Wed Jun 6 02:42:30 2012 New Revision: 236649 URL: http://svn.freebsd.org/changeset/base/236649 Log: Check the return value of pci_find_cap() Modified: head/sys/dev/ae/if_ae.c Modified: head/sys/dev/ae/if_ae.c ============================================================================== --- head/sys/dev/ae/if_ae.c Wed Jun 6 01:01:12 2012 (r236648) +++ head/sys/dev/ae/if_ae.c Wed Jun 6 02:42:30 2012 (r236649) @@ -1381,12 +1381,13 @@ ae_pm_init(ae_softc_t *sc) /* * Configure PME. */ - pci_find_cap(sc->dev, PCIY_PMG, &pmc); - pmstat = pci_read_config(sc->dev, pmc + PCIR_POWER_STATUS, 2); - pmstat &= ~(PCIM_PSTAT_PME | PCIM_PSTAT_PMEENABLE); - if ((ifp->if_capenable & IFCAP_WOL) != 0) - pmstat |= PCIM_PSTAT_PME | PCIM_PSTAT_PMEENABLE; - pci_write_config(sc->dev, pmc + PCIR_POWER_STATUS, pmstat, 2); + if (pci_find_cap(dev, PCIY_PMG, &pmc) == 0) { + pmstat = pci_read_config(sc->dev, pmc + PCIR_POWER_STATUS, 2); + pmstat &= ~(PCIM_PSTAT_PME | PCIM_PSTAT_PMEENABLE); + if ((ifp->if_capenable & IFCAP_WOL) != 0) + pmstat |= PCIM_PSTAT_PME | PCIM_PSTAT_PMEENABLE; + pci_write_config(sc->dev, pmc + PCIR_POWER_STATUS, pmstat, 2); + } } static int
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