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[ARM] 4661/1: fix do_undefinstr wrt the enabling of IRQs

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The lock is acquired with spin_lock_irqsave() and released in the
not-found case with spin_unlock_irqrestore().

Signed-off-by: Nicolas Pitre <nico@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Nicolas Pitre 2007-11-22 17:21:27 +01:00 committed by Russell King
parent dc49cb2180
commit aeb747afb3
1 changed files with 1 additions and 1 deletions
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2
arch/arm/kernel/traps.c
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@ -327,7 +327,7 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs)
if ((instr & hook->instr_mask) == hook->instr_val &&
(regs->ARM_cpsr & hook->cpsr_mask) == hook->cpsr_val) {
if (hook->fn(regs, instr) == 0) {
spin_unlock_irq(&undef_lock);
spin_unlock_irqrestore(&undef_lock, flags);
return;
}
}