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-rw-r--r--arch/i386/kernel/irq.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/i386/kernel/irq.c b/arch/i386/kernel/irq.c
index 3336cef9605..16b49170396 100644
--- a/arch/i386/kernel/irq.c
+++ b/arch/i386/kernel/irq.c
@@ -82,6 +82,10 @@ fastcall unsigned int do_IRQ(struct pt_regs *regs)
}
#endif
+ if (!irq_desc[irq].handle_irq) {
+ __do_IRQ(irq, regs);
+ goto out_exit;
+ }
#ifdef CONFIG_4KSTACKS
curctx = (union irq_ctx *) current_thread_info();
@@ -121,6 +125,7 @@ fastcall unsigned int do_IRQ(struct pt_regs *regs)
#endif
__do_IRQ(irq, regs);
+out_exit:
irq_exit();
return 1;