4 files changed, 20 insertions, 21 deletions

diff --git a/arch/ia64/hp/sim/simeth.c b/arch/ia64/hp/sim/simeth.c
index ae84a1018a89..0639ec0ed015 100644
--- a/arch/ia64/hp/sim/simeth.c
+++ b/arch/ia64/hp/sim/simeth.c
@@ -191,7 +191,7 @@ simeth_probe1(void)
 	unsigned char mac_addr[ETH_ALEN];
 	struct simeth_local *local;
 	struct net_device *dev;
-	int fd, i, err;
+	int fd, i, err, rc;
 
 	/*
 	 * XXX Fix me
@@ -228,7 +228,9 @@ simeth_probe1(void)
 		return err;
 	}
 
-	dev->irq = assign_irq_vector(AUTO_ASSIGN);
+	if ((rc = assign_irq_vector(AUTO_ASSIGN)) < 0)
+		panic("%s: out of interrupt vectors!\n", __FUNCTION__);
+	dev->irq = rc;
 
 	/*
 	 * attach the interrupt in the simulator, this does enable interrupts
diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c
index 7a8ae0f4b387..7dcb8582ae0d 100644
--- a/arch/ia64/hp/sim/simserial.c
+++ b/arch/ia64/hp/sim/simserial.c
@@ -982,7 +982,7 @@ static struct tty_operations hp_ops = {
 static int __init
 simrs_init (void)
 {
-	int			i;
+	int			i, rc;
 	struct serial_state	*state;
 
 	if (!ia64_platform_is("hpsim"))
@@ -1017,7 +1017,10 @@ simrs_init (void)
 		if (state->type == PORT_UNKNOWN) continue;
 
 		if (!state->irq) {
-			state->irq = assign_irq_vector(AUTO_ASSIGN);
+			if ((rc = assign_irq_vector(AUTO_ASSIGN)) < 0)
+				panic("%s: out of interrupt vectors!\n",
+				      __FUNCTION__);
+			state->irq = rc;
 			ia64_ssc_connect_irq(KEYBOARD_INTR, state->irq);
 		}
 
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index c170be095ccd..7936b62f7a2e 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -489,8 +489,6 @@ static int iosapic_find_sharable_vector (unsigned long trigger, unsigned long po
 			}
 		}
 	}
-	if (vector < 0)
-		panic("%s: out of interrupt vectors!\n", __FUNCTION__);
 
 	return vector;
 }
@@ -506,6 +504,8 @@ iosapic_reassign_vector (int vector)
 
 	if (!list_empty(&iosapic_intr_info[vector].rtes)) {
 		new_vector = assign_irq_vector(AUTO_ASSIGN);
+		if (new_vector < 0)
+			panic("%s: out of interrupt vectors!\n", __FUNCTION__);
 		printk(KERN_INFO "Reassigning vector %d to %d\n", vector, new_vector);
 		memcpy(&iosapic_intr_info[new_vector], &iosapic_intr_info[vector],
 		       sizeof(struct iosapic_intr_info));
@@ -734,9 +734,12 @@ again:
 	spin_unlock_irqrestore(&iosapic_lock, flags);
 
 	/* If vector is running out, we try to find a sharable vector */
-	vector = assign_irq_vector_nopanic(AUTO_ASSIGN);
-	if (vector < 0)
+	vector = assign_irq_vector(AUTO_ASSIGN);
+	if (vector < 0) {
 		vector = iosapic_find_sharable_vector(trigger, polarity);
+		if (vector < 0)
+			panic("%s: out of interrupt vectors!\n", __FUNCTION__);
+	}
 
 	spin_lock_irqsave(&irq_descp(vector)->lock, flags);
 	spin_lock(&iosapic_lock);
@@ -884,6 +887,8 @@ iosapic_register_platform_intr (u32 int_type, unsigned int gsi,
 		break;
 	      case ACPI_INTERRUPT_INIT:
 		vector = assign_irq_vector(AUTO_ASSIGN);
+		if (vector < 0)
+			panic("%s: out of interrupt vectors!\n", __FUNCTION__);
 		delivery = IOSAPIC_INIT;
 		break;
 	      case ACPI_INTERRUPT_CPEI:
diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index 4fe60c7a2e90..6c4d59fd0364 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -63,30 +63,19 @@ EXPORT_SYMBOL(isa_irq_to_vector_map);
 static unsigned long ia64_vector_mask[BITS_TO_LONGS(IA64_NUM_DEVICE_VECTORS)];
 
 int
-assign_irq_vector_nopanic (int irq)
+assign_irq_vector (int irq)
 {
 	int pos, vector;
  again:
 	pos = find_first_zero_bit(ia64_vector_mask, IA64_NUM_DEVICE_VECTORS);
 	vector = IA64_FIRST_DEVICE_VECTOR + pos;
 	if (vector > IA64_LAST_DEVICE_VECTOR)
-		return -1;
+		return -ENOSPC;
 	if (test_and_set_bit(pos, ia64_vector_mask))
 		goto again;
 	return vector;
 }
 
-int
-assign_irq_vector (int irq)
-{
-	int vector = assign_irq_vector_nopanic(irq);
-
-	if (vector < 0)
-		panic("assign_irq_vector: out of interrupt vectors!");
-
-	return vector;
-}
-
 void
 free_irq_vector (int vector)
 {