net: ethernet: ti: am65-cpts: update ret when ptp_clock is ERROR

We always have to update the value of ret, otherwise the
 error value may be the previous one.

Fixes: f6bd59526ca5 ("net: ethernet: ti: introduce am654 common platform time sync driver")
Signed-off-by: Wang Qing <wangqing@vivo.com>
[grygorii.strashko@ti.com: fix build warn, subj add fixes tag]
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Link: https://lore.kernel.org/r/20201112164541.3223-1-grygorii.strashko@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/ti/am65-cpts.c b/drivers/net/ethernet/ti/am65-cpts.c
index 75056c1..5dc60ec 100644 (file)
--- a/drivers/net/ethernet/ti/am65-cpts.c
+++ b/drivers/net/ethernet/ti/am65-cpts.c
@@ -1001,8 +1001,7 @@ struct am65_cpts *am65_cpts_create(struct device *dev, void __iomem *regs,
        if (IS_ERR_OR_NULL(cpts->ptp_clock)) {
                dev_err(dev, "Failed to register ptp clk %ld\n",
                        PTR_ERR(cpts->ptp_clock));
-               if (!cpts->ptp_clock)
-                       ret = -ENODEV;
+               ret = cpts->ptp_clock ? PTR_ERR(cpts->ptp_clock) : -ENODEV;
                goto refclk_disable;
        }
        cpts->phc_index = ptp_clock_index(cpts->ptp_clock);