In mv_platform_probe(), check the return value of clk_prepare_enable() and return the error code if clk_prepare_enable() returns an unexpected value. Signed-off-by: Ma Ke <make_ruc2021@xxxxxxx> --- drivers/ata/sata_mv.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 45e48d653c60..96f9841aae6c 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -4125,8 +4125,11 @@ static int mv_platform_probe(struct platform_device *pdev) hpriv->clk = clk_get(&pdev->dev, NULL); if (IS_ERR(hpriv->clk)) dev_notice(&pdev->dev, "cannot get optional clkdev\n"); - else - clk_prepare_enable(hpriv->clk); + else { + rc = clk_prepare_enable(hpriv->clk); + if (rc) + return rc; + } for (port = 0; port < n_ports; port++) { char port_number[16]; -- 2.37.2