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Subject[PATCH] trace/osnoise: fix missed cpus_read_unlock()
Date
From: "Qiang.zhang" <qiang.zhang@windriver.com>

When start_kthread() return error, the cpus_read_unlock() need
to be called.

Signed-off-by: Qiang.zhang <qiang.zhang@windriver.com>
---
kernel/trace/trace_osnoise.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/kernel/trace/trace_osnoise.c b/kernel/trace/trace_osnoise.c
index 65b08b8e5bf8..45d22d6f3acb 100644
--- a/kernel/trace/trace_osnoise.c
+++ b/kernel/trace/trace_osnoise.c
@@ -1568,6 +1568,7 @@ static int start_per_cpu_kthreads(struct trace_array *tr)
retval = start_kthread(cpu);
if (retval) {
stop_per_cpu_kthreads();
+ cpus_read_unlock();
return retval;
}
}
--
2.25.1
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