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x86/nmi: Fix timeout test in test_nmi_ipi() 

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: 99e8b9ca90 ("x86, NMI: Add NMI IPI selftest")
Link: http://lkml.kernel.org/r/20170619105304.GA23995@elgon.mountain
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Dan Carpenter 2017-06-19 13:53:04 +03:00 committed by Ingo Molnar
parent 9705596d08
commit c133c76157
1 changed files with 1 additions and 1 deletions
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2
arch/x86/kernel/nmi_selftest.c
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@ -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?? */