Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.19 565/639] um: Fix off by one error in IRQ enumeration | Date | Fri, 24 Jan 2020 10:32:15 +0100 |
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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 49ed3e35b35ad..ce7a78c3bcf21 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 -- 2.20.1
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