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-rw-r--r--arch/um/include/asm/irq.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/um/include/asm/irq.h b/arch/um/include/asm/irq.h
index 49ed3e35b35a..ce7a78c3bcf2 100644
--- a/arch/um/include/asm/irq.h
+++ b/arch/um/include/asm/irq.h
@@ -23,7 +23,7 @@
#define VECTOR_BASE_IRQ 15
#define VECTOR_IRQ_SPACE 8
-#define LAST_IRQ (VECTOR_IRQ_SPACE + VECTOR_BASE_IRQ)
+#define LAST_IRQ (VECTOR_IRQ_SPACE + VECTOR_BASE_IRQ - 1)
#else