[tip: x86/irq] x86/irq: Check for VECTOR_UNUSED directly

[tip-bot2 for Heiner Kallweit]

The following commit has been merged into the x86/irq branch of tip:

Commit-ID:     8725fcd99a3084a7a15a6e70882bfa3fe7925f52
Gitweb:        https://git.kernel.org/tip/8725fcd99a3084a7a15a6e70882bfa3fe7925f52
Author:        Heiner Kallweit <hkallweit1@xxxxxxxxx>
AuthorDate:    Mon, 19 Aug 2019 21:36:39 +02:00
Committer:     Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Mon, 19 Aug 2019 23:19:07 +02:00

x86/irq: Check for VECTOR_UNUSED directly

It's simpler and more intuitive to directly check for VECTOR_UNUSED than
checking whether the other error codes are not set.

Signed-off-by: Heiner Kallweit <hkallweit1@xxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: https://lkml.kernel.org/r/caeaca93-5ee1-cea1-8894-3aa0d5b19241@xxxxxxxxx

---
 arch/x86/kernel/irq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index 3eae012..21efee3 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -251,7 +251,7 @@ __visible unsigned int __irq_entry do_IRQ(struct pt_regs *regs)
 	} else {
 		ack_APIC_irq();
 
-		if (desc != VECTOR_RETRIGGERED && desc != VECTOR_SHUTDOWN) {
+		if (desc == VECTOR_UNUSED) {
 			pr_emerg_ratelimited("%s: %d.%d No irq handler for vector\n",
 					     __func__, smp_processor_id(),
 					     vector);