1 files changed, 9 insertions, 5 deletions

diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index f92cef47bf86..dab4d393908c 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -451,7 +451,7 @@ iosapic_startup_edge_irq (unsigned int irq)
 static void
 iosapic_ack_edge_irq (unsigned int irq)
 {
-        irq_desc_t *idesc = irq_desc + irq;
+        struct irq_desc *idesc = irq_desc + irq;
 
         irq_complete_move(irq);
         move_native_irq(irq);
@@ -600,8 +600,8 @@ static int
 register_intr (unsigned int gsi, int irq, unsigned char delivery,
                unsigned long polarity, unsigned long trigger)
 {
-        irq_desc_t *idesc;
-        struct hw_interrupt_type *irq_type;
+        struct irq_desc *idesc;
+        struct irq_chip *irq_type;
         int index;
         struct iosapic_rte_info *rte;
 
@@ -650,7 +650,7 @@ register_intr (unsigned int gsi, int irq, unsigned char delivery,
 
         idesc = irq_desc + irq;
         if (irq_type != NULL && idesc->chip != irq_type) {
-                if (idesc->chip != &no_irq_type)
+                if (idesc->chip != &no_irq_chip)
                         printk(KERN_WARNING
                                "%s: changing vector %d from %s to %s\n",
                                __func__, irq_to_vector(irq),
@@ -828,7 +828,7 @@ iosapic_unregister_intr (unsigned int gsi)
 {
         unsigned long flags;
         int irq, index;
-        irq_desc_t *idesc;
+        struct irq_desc *idesc;
         u32 low32;
         unsigned long trigger, polarity;
         unsigned int dest;
@@ -1072,6 +1072,10 @@ iosapic_init (unsigned long phys_addr, unsigned int gsi_base)
         }
 
         addr = ioremap(phys_addr, 0);
+        if (addr == NULL) {
+                spin_unlock_irqrestore(&iosapic_lock, flags);
+                return -ENOMEM;
+        }
         ver = iosapic_version(addr);
         if ((err = iosapic_check_gsi_range(gsi_base, ver))) {
                 iounmap(addr);