Initialize/grab the mutex earlier in the attach phase, so that

bailing out to the fail: label where we release/destroy the mutex
will work without exploding.

1 files changed, 3 insertions, 3 deletions

diff --git a/sys/pci/if_wb.c b/sys/pci/if_wb.c
index bb93b3f..19893cf 100644
--- a/sys/pci/if_wb.c
+++ b/sys/pci/if_wb.c
@@ -817,6 +817,9 @@ static int wb_attach(dev)
 	sc = device_get_softc(dev);
 	unit = device_get_unit(dev);
 
+	mtx_init(&sc->wb_mtx, device_get_nameunit(dev), MTX_DEF);
+	WB_LOCK(sc);
+
 	/*
 	 * Handle power management nonsense.
 	 */
@@ -906,9 +909,6 @@ static int wb_attach(dev)
 	/* Save the cache line size. */
 	sc->wb_cachesize = pci_read_config(dev, WB_PCI_CACHELEN, 4) & 0xFF;
 
-	mtx_init(&sc->wb_mtx, device_get_nameunit(dev), MTX_DEF);
-	WB_LOCK(sc);
-
 	/* Reset the adapter. */
 	wb_reset(sc);