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um: Fix off by one error in IRQ enumeration 

[ Upstream commit 09ccf0364c ]

Fix an off-by-one in IRQ enumeration

Fixes: 49da7e64f3 ("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>
This commit is contained in:
Anton Ivanov 2019-07-12 12:51:27 +01:00 committed by Greg Kroah-Hartman
parent e062ddd0cb
commit 142c25ae48
1 changed files with 1 additions and 1 deletions
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2
arch/um/include/asm/irq.h
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@ -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