From: Anton Ivanov anton.ivanov@cambridgegreys.com
[ Upstream commit 09ccf0364ca3e94aba4093707ef433ea8014e2a4 ]
Fix an off-by-one in IRQ enumeration
Fixes: 49da7e64f33e ("High Performance UML Vector Network Driver") Reported by: Dana Johnson djohns042@gmail.com Signed-off-by: Anton Ivanov anton.ivanov@cambridgegreys.com Signed-off-by: Richard Weinberger richard@nod.at Signed-off-by: Sasha Levin sashal@kernel.org --- arch/um/include/asm/irq.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
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