Commit-ID: c133c7615751008f6c32ccae7cdfc5ff6e989c35
Gitweb: http://git.kernel.org/tip/c133c7615751008f6c32ccae7cdfc5ff6e989c35
Author: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
AuthorDate: Mon, 19 Jun 2017 13:53:04 +0300
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Tue, 20 Jun 2017 12:52:43 +0200
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@xxxxxxxxxx>
Acked-by: Don Zickus <dzickus@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: kernel-janitors@xxxxxxxxxxxxxxx
Fixes: 99e8b9ca90d6 ("x86, NMI: Add NMI IPI selftest")
Link: http://lkml.kernel.org/r/20170619105304.GA23995@elgon.mountain
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
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 6d9582e..d27f8d8 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?? */
--
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