From: Borislav Petkov <b...@suse.de>

[ Upstream commit e0d648f9d883ec1efab261af158d73aa30e9dd12 ]

Work around this warning:

  kernel/sched/cputime.c: In function ‘kcpustat_field’:
  kernel/sched/cputime.c:1007:6: warning: ‘val’ may be used uninitialized in 
this function [-Wmaybe-uninitialized]

because GCC can't see that val is used only when err is 0.

Acked-by: Peter Zijlstra <pet...@infradead.org>
Signed-off-by: Borislav Petkov <b...@suse.de>
Signed-off-by: Ingo Molnar <mi...@kernel.org>
Link: https://lore.kernel.org/r/20200327214334.gf8...@zn.tnic
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 kernel/sched/cputime.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index dac9104d126f7..ff9435dee1df2 100644
--- a/kernel/sched/cputime.c
+++ b/kernel/sched/cputime.c
@@ -1003,12 +1003,12 @@ u64 kcpustat_field(struct kernel_cpustat *kcpustat,
                   enum cpu_usage_stat usage, int cpu)
 {
        u64 *cpustat = kcpustat->cpustat;
+       u64 val = cpustat[usage];
        struct rq *rq;
-       u64 val;
        int err;
 
        if (!vtime_accounting_enabled_cpu(cpu))
-               return cpustat[usage];
+               return val;
 
        rq = cpu_rq(cpu);
 
-- 
2.20.1



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