x86/ioapic.c: convert __target_IO_APIC_irq to conventional for() loop

Use a normal for() loop in __target_IO_APIC_irq().

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

1 files changed, 1 insertions, 8 deletions

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 8245e62ed93f..17883cd82592 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2236,13 +2236,9 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, struct irq
         struct irq_pin_list *entry;
         u8 vector = cfg->vector;
 
-        entry = cfg->irq_2_pin;
-        for (;;) {
+        for (entry = cfg->irq_2_pin; entry != NULL; entry = entry->next) {
                 unsigned int reg;
 
-                if (!entry)
-                        break;
-
                 apic = entry->apic;
                 pin = entry->pin;
                 /*
@@ -2255,9 +2251,6 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, struct irq
                 reg &= ~IO_APIC_REDIR_VECTOR_MASK;
                 reg |= vector;
                 io_apic_modify(apic, 0x10 + pin*2, reg);
-                if (!entry->next)
-                        break;
-                entry = entry->next;
         }
 }