Check the return value of BUS_SETUP_INTR()

Reviewed by:	imp

sys/arm/at91/at91.c

@@ -367,11 +367,15 @@ at91_setup_intr(device_t dev, device_t child,
     driver_intr_t *intr, void *arg, void **cookiep)    
 {
 	struct at91_softc *sc = device_get_softc(dev);
+	int error;
 
 	if (rman_get_start(ires) == sc->sc_irq_system && filt == NULL)
 		panic("All system interrupt ISRs must be FILTER");
-	BUS_SETUP_INTR(device_get_parent(dev), child, ires, flags, filt, 
-	    intr, arg, cookiep);
+	error = BUS_SETUP_INTR(device_get_parent(dev), child, ires, flags,
+	    filt, intr, arg, cookiep);
+	if (error)
+		return (error);
+
 	bus_space_write_4(sc->sc_st, sc->sc_aic_sh, IC_IECR,
 	    1 << rman_get_start(ires));
 	return (0);

sys/arm/econa/econa.c

@@ -592,12 +592,15 @@ econa_setup_intr(device_t dev, device_t child,
     struct resource *ires, int flags, driver_filter_t *filt,
     driver_intr_t *intr, void *arg, void **cookiep)
 {
+	int error;
 
 	if (rman_get_start(ires) == ECONA_IRQ_SYSTEM && filt == NULL)
 		panic("All system interrupt ISRs must be FILTER");
 
-	BUS_SETUP_INTR(device_get_parent(dev), child, ires, flags, filt,
-	    intr, arg, cookiep);
+	error = BUS_SETUP_INTR(device_get_parent(dev), child, ires, flags,
+	    filt, intr, arg, cookiep);
+	if (error)
+		return (error);
 
 	arm_unmask_irq(rman_get_start(ires));
 

sys/arm/xscale/i80321/iq80321.c

@@ -354,8 +354,12 @@ iq80321_setup_intr(device_t dev, device_t child,
     struct resource *ires, int flags, driver_filter_t *filt, 
     driver_intr_t *intr, void *arg, void **cookiep)
 {
-	BUS_SETUP_INTR(device_get_parent(dev), child, ires, flags, filt, intr, 
-	    arg, cookiep);
+	int error;
+
+	error = BUS_SETUP_INTR(device_get_parent(dev), child, ires, flags,
+	    filt, intr, arg, cookiep);
+	if (error)
+		return (error);
 	intr_enabled |= 1 << rman_get_start(ires);
 	i80321_set_intrmask();
 	

sys/arm/xscale/i8134x/i81342.c

@@ -429,10 +429,12 @@ i81342_setup_intr(device_t dev, device_t child, struct resource *ires,
     int flags, driver_filter_t *filt, driver_intr_t *intr, void *arg, 
     void **cookiep)
 {
-	
+	int error;
 
-	BUS_SETUP_INTR(device_get_parent(dev), child, ires, flags, filt, intr,
-	    arg, cookiep);
+	error = BUS_SETUP_INTR(device_get_parent(dev), child, ires, flags,
+	    filt, intr, arg, cookiep);
+	if (error)
+		return (error);
 	arm_unmask_irq(rman_get_start(ires));
 	return (0);
 }

sys/arm/xscale/ixp425/ixp425.c

@@ -639,9 +639,12 @@ ixp425_setup_intr(device_t dev, device_t child,
     driver_intr_t *intr, void *arg, void **cookiep)    
 {
 	uint32_t mask, mask2;
+	int error;
 
-	BUS_SETUP_INTR(device_get_parent(dev), child, res, flags, filt, intr,
-	     arg, cookiep);
+	error = BUS_SETUP_INTR(device_get_parent(dev), child, res, flags,
+	    filt, intr, arg, cookiep);
+	if (error)
+		return (error);
 
 	get_masks(res, &mask, &mask2);
 	update_masks(intr_enabled | mask, intr_enabled2 | mask2);

sys/arm/xscale/pxa/pxa_obio.c

@@ -173,11 +173,14 @@ pxa_setup_intr(device_t dev, device_t child, struct resource *irq, int flags,
     driver_filter_t *filter, driver_intr_t *ithread, void *arg, void **cookiep)
 {
 	struct	obio_softc *sc;
+	int error;
 
 	sc = (struct obio_softc *)device_get_softc(dev);
 
-	BUS_SETUP_INTR(device_get_parent(dev), child, irq, flags, filter,
-	    ithread, arg, cookiep);
+	error = BUS_SETUP_INTR(device_get_parent(dev), child, irq, flags,
+	    filter, ithread, arg, cookiep);
+	if (error)
+		return (error);
 	arm_unmask_irq(rman_get_start(irq));
 	return (0);
 }