Because clk_disable_unprepare already checked NULL clock parameter, so the additional checks are unnecessary, just remove them. Signed-off-by: Xu Wang <vulab@xxxxxxxxxxx> --- drivers/crypto/s5p-sss.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c index 341433fbcc4a..fdcbfd45c884 100644 --- a/drivers/crypto/s5p-sss.c +++ b/drivers/crypto/s5p-sss.c @@ -2307,8 +2307,7 @@ static int s5p_aes_probe(struct platform_device *pdev) tasklet_kill(&pdata->tasklet); err_irq: - if (pdata->pclk) - clk_disable_unprepare(pdata->pclk); + clk_disable_unprepare(pdata->pclk); err_clk: clk_disable_unprepare(pdata->clk); @@ -2338,8 +2337,7 @@ static int s5p_aes_remove(struct platform_device *pdev) pdata->use_hash = false; } - if (pdata->pclk) - clk_disable_unprepare(pdata->pclk); + clk_disable_unprepare(pdata->pclk); clk_disable_unprepare(pdata->clk); s5p_dev = NULL; -- 2.17.1