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The variable used for returning status in `ppc440spe_adma_dma2rxor_prep_src' function is never changed and this function just need to return 0. Thus, the `rval' can be removed and return 0 from `ppc440spe_adma_dma2rxor_prep_src'. Signed-off-by: Jason Wang <wangborong@cdjrlc.com> Link: https://lore.kernel.org/r/20211114060856.239314-1-wangborong@cdjrlc.com Signed-off-by: Vinod Koul <vkoul@kernel.org>