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Guo Zhengkui authored
Fix the following coccicheck warning: drivers/md/dm-cache-metadata.c:1512:5-6: Unneeded variable: "r". Return "0" on line 1520. Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
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