add a missing splx in an error path

ok millert@ stsp@

diff --git a/sys/dev/usb/ehci.c b/sys/dev/usb/ehci.c
index b15d873..0daf622 100644 (file)
--- a/sys/dev/usb/ehci.c
+++ b/sys/dev/usb/ehci.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: ehci.c,v 1.191 2016/07/20 09:48:07 mpi Exp $ */
+/*     $OpenBSD: ehci.c,v 1.192 2016/08/18 11:59:58 jsg Exp $ */
 /*     $NetBSD: ehci.c,v 1.66 2004/06/30 03:11:56 mycroft Exp $        */
 
 /*
@@ -2539,8 +2539,10 @@ ehci_alloc_itd(struct ehci_softc *sc)
        if (freeitd == NULL) {
                err = usb_allocmem(&sc->sc_bus, EHCI_ITD_SIZE * EHCI_ITD_CHUNK,
                    EHCI_PAGE_SIZE, &dma);
-               if (err)
+               if (err) {
+                       splx(s);
                        return (NULL);
+               }
 
                for (i = 0; i < EHCI_ITD_CHUNK; i++) {
                        offs = i * EHCI_ITD_SIZE;