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ARM: 7317/1: irq: avoid NULL check in for_each_irq_desc loop

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ARM unconditionally selects CONFIG_GENERIC_HARDIRQS, so the definition
of for_each_irq_desc will check that the desc is non-NULL anyway.

This patch removes a redundant check from the IRQ migration code.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Will Deacon 2012-02-03 14:50:07 +01:00 committed by Russell King
parent d33c88c659
commit 342d00ae2b
1 changed files with 1 additions and 4 deletions
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5
arch/arm/kernel/irq.c
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@ -181,10 +181,7 @@ void migrate_irqs(void)
local_irq_save(flags); local_irq_save(flags);
for_each_irq_desc(i, desc) { for_each_irq_desc(i, desc) {
bool affinity_broken = false; bool affinity_broken;
if (!desc)
continue;
raw_spin_lock(&desc->lock); raw_spin_lock(&desc->lock);
affinity_broken = migrate_one_irq(desc); affinity_broken = migrate_one_irq(desc);