[PATCH AUTOSEL for 3.18 039/101] x86/nmi: Fix timeout test in test_nmi_ipi()

[Sasha Levin]

From: Dan Carpenter 

[ Upstream commit c133c7615751008f6c32ccae7cdfc5ff6e989c35 ]

We're supposed to exit the loop with "timeout" set to zero.

Signed-off-by: Dan Carpenter 
Acked-by: Don Zickus 
Cc: Linus Torvalds 
Cc: Peter Zijlstra 
Cc: Thomas Gleixner 
Cc: kernel-janit...@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 
Signed-off-by: Sasha Levin 
---
 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

[PATCH AUTOSEL for 3.18 039/101] x86/nmi: Fix timeout test in test_nmi_ipi()

[Sasha Levin]

From: Dan Carpenter 

[ Upstream commit c133c7615751008f6c32ccae7cdfc5ff6e989c35 ]

We're supposed to exit the loop with "timeout" set to zero.

Signed-off-by: Dan Carpenter 
Acked-by: Don Zickus 
Cc: Linus Torvalds 
Cc: Peter Zijlstra 
Cc: Thomas Gleixner 
Cc: kernel-janit...@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 
Signed-off-by: Sasha Levin 
---
 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