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b2aa820b48
Shell function return code only has range [0, 255]. Other values will be truncated, e.g. return 65536 will have the same effect as return 0 While at it, drop other "return $rc" where rc will almost always take value 0 and whose value current callers actually do not check Fixes FS#988 Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>