| From | Sasha Levin <> | Subject | [PATCH AUTOSEL for 4.4 053/162] x86/nmi: Fix timeout test in test_nmi_ipi() | Date | Mon, 9 Apr 2018 00:28:20 +0000 |
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From: Dan Carpenter <dan.carpenter@oracle.com>
[ Upstream commit c133c7615751008f6c32ccae7cdfc5ff6e989c35 ]
We're supposed to exit the loop with "timeout" set to zero.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Don Zickus <dzickus@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: kernel-janitors@vger.kernel.org Fixes: 99e8b9ca90d6 ("x86, NMI: Add NMI IPI selftest") Link: http://lkml.kernel.org/r/20170619105304.GA23995@elgon.mountain Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> --- arch/x86/kernel/nmi_selftest.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/nmi_selftest.c b/arch/x86/kernel/nmi_selftest.c index 6d9582ec0324..d27f8d84c4ff 100644 --- a/arch/x86/kernel/nmi_selftest.c +++ b/arch/x86/kernel/nmi_selftest.c @@ -78,7 +78,7 @@ static void __init test_nmi_ipi(struct cpumask *mask) /* Don't wait longer than a second */ timeout = USEC_PER_SEC; - while (!cpumask_empty(mask) && timeout--) + while (!cpumask_empty(mask) && --timeout) udelay(1); /* What happens if we timeout, do we still unregister?? */ -- 2.15.1
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