Commit-ID: 521c42990e9d561ed5ed9f501f07639d0512b3c9
Gitweb: http://git.kernel.org/tip/521c42990e9d561ed5ed9f501f07639d0512b3c9
Author: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
AuthorDate: Tue, 15 Apr 2014 10:54:37 +0530
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Tue, 15 Apr 2014 20:26:44 +0200
tick-common: Fix wrong check in tick_check_replacement()
tick_check_replacement() returns if a replacement of clock_event_device is
possible or not. It does this as the first check:
if (tick_check_percpu(curdev, newdev, smp_processor_id()))
return false;
Thats wrong. tick_check_percpu() returns true when the device is
useable. Check for false instead.
[ tglx: Massaged changelog ]
Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx> # v3.11+
Cc: linaro-kernel@xxxxxxxxxxxxxxxx
Cc: fweisbec@xxxxxxxxx
Cc: Arvind.Chauhan@xxxxxxx
Cc: linaro-networking@xxxxxxxxxx
Link: http://lkml.kernel.org/r/486a02efe0246635aaba786e24b42d316438bf3b.1397537987.git.viresh.kumar@xxxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
kernel/time/tick-common.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index 0156612..0a0608e 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -276,7 +276,7 @@ static bool tick_check_preferred(struct clock_event_device *curdev,
bool tick_check_replacement(struct clock_event_device *curdev,
struct clock_event_device *newdev)
{
- if (tick_check_percpu(curdev, newdev, smp_processor_id()))
+ if (!tick_check_percpu(curdev, newdev, smp_processor_id()))
return false;
return tick_check_preferred(curdev, newdev);
--
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