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-rw-r--r--arch/x86/kernel/apic/io_apic.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index a097a773bc7..0d0401802d4 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -410,13 +410,10 @@ static bool io_apic_level_ack_pending(struct irq_cfg *cfg)
unsigned long flags;
spin_lock_irqsave(&ioapic_lock, flags);
- entry = cfg->irq_2_pin;
- for (;;) {
+ for (entry = cfg->irq_2_pin; entry != NULL; entry = entry->next) {
unsigned int reg;
int pin;
- if (!entry)
- break;
pin = entry->pin;
reg = io_apic_read(entry->apic, 0x10 + pin*2);
/* Is the remote IRR bit set? */
@@ -424,9 +421,6 @@ static bool io_apic_level_ack_pending(struct irq_cfg *cfg)
spin_unlock_irqrestore(&ioapic_lock, flags);
return true;
}
- if (!entry->next)
- break;
- entry = entry->next;
}
spin_unlock_irqrestore(&ioapic_lock, flags);