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Subject[PATCH] apic/io_apic.c: Move variable 'desc' into the #ifdef.
Date
This variable is only used in the presence of the CONFIG_GENERIC_PENDING_IRQ.
So when compiling without this config, we get the following warning:

arch/x86/kernel/apic/io_apic.c: In function ‘ack_apic_level’:
arch/x86/kernel/apic/io_apic.c:2433: warning: unused variable ‘desc’

Signed-off-by: Thiago Farina <tfransosi@gmail.com>
---
arch/x86/kernel/apic/io_apic.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 7cc0a72..56261be 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2430,9 +2430,12 @@ static void ack_apic_level(struct irq_data *data)
{
struct irq_cfg *cfg = data->chip_data;
int i, do_unmask_irq = 0, irq = data->irq;
- struct irq_desc *desc = irq_to_desc(irq);
unsigned long v;

+#ifdef CONFIG_GENERIC_PENDING_IRQ
+ struct irq_desc *desc = irq_to_desc(irq);
+#endif
+
irq_complete_move(cfg);
#ifdef CONFIG_GENERIC_PENDING_IRQ
/* If we are moving the irq we need to mask it */
--
1.7.3.2.343.g7d43d
--
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