mm: backing-dev: Remove the unneeded result variable
Return the value cgwb_bdi_init() directly instead of storing it in another redundant variable. Link: https://lkml.kernel.org/r/20220826071906.252419-1-ye.xingchen@zte.com.cnSigned-off-by: ye xingchen <ye.xingchen@zte.com.cn> Reported-by: Zeal Robot <zealci@zte.com.cn> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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