From cd33cef72395bde1a42953b48e073ae53e0dcb07 Mon Sep 17 00:00:00 2001 From: Pyun YongHyeon Date: Sat, 18 Dec 2010 23:24:59 +0000 Subject: [PATCH] Make sure whether driver allocated resource before releasing it. --- sys/dev/jme/if_jme.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/sys/dev/jme/if_jme.c b/sys/dev/jme/if_jme.c index 1172705ff21..c50775388cc 100644 --- a/sys/dev/jme/if_jme.c +++ b/sys/dev/jme/if_jme.c @@ -854,10 +854,12 @@ jme_detach(device_t dev) } } - bus_release_resources(dev, sc->jme_irq_spec, sc->jme_irq); + if (sc->jme_irq[0] != NULL) + bus_release_resources(dev, sc->jme_irq_spec, sc->jme_irq); if ((sc->jme_flags & (JME_FLAG_MSIX | JME_FLAG_MSI)) != 0) pci_release_msi(dev); - bus_release_resources(dev, sc->jme_res_spec, sc->jme_res); + if (sc->jme_res[0] != NULL) + bus_release_resources(dev, sc->jme_res_spec, sc->jme_res); mtx_destroy(&sc->jme_mtx); return (0);