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irq: simplify for_each_irq_desc() usage

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Impact: cleanup

all for_each_irq_desc() usage point have !desc check.
then its check can move into for_each_irq_desc() macro.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
KOSAKI Motohiro
2008-12-26 12:29:48 +09:00
committed by Ingo Molnar
parent 26ddd8d5ca
commit 18eefedfe8
6 changed files with 6 additions and 38 deletions
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10
arch/x86/kernel/io_apic.c
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@@ -1345,8 +1345,6 @@ void __setup_vector_irq(int cpu)
/* Mark the inuse vectors */
for_each_irq_desc(irq, desc) {
if (!desc)
continue;
cfg = desc->chip_data;
if (!cpu_isset(cpu, cfg->domain))
continue;
@@ -1730,8 +1728,6 @@ __apicdebuginit(void) print_IO_APIC(void)
for_each_irq_desc(irq, desc) {
struct irq_pin_list *entry;
if (!desc)
continue;
cfg = desc->chip_data;
entry = cfg->irq_2_pin;
if (!entry)
@@ -2378,9 +2374,6 @@ static void ir_irq_migration(struct work_struct *work)
struct irq_desc *desc;
for_each_irq_desc(irq, desc) {
if (!desc)
continue;
if (desc->status & IRQ_MOVE_PENDING) {
unsigned long flags;
@@ -2671,9 +2664,6 @@ static inline void init_IO_APIC_traps(void)
* 0x80, because int 0x80 is hm, kind of importantish. ;)
*/
for_each_irq_desc(irq, desc) {
if (!desc)
continue;
cfg = desc->chip_data;
if (IO_APIC_IRQ(irq) && cfg && !cfg->vector) {
/*