[PATCH 5.9 018/252] net: ethernet: ti: am65-cpts: update ret when ptp_clock is ERROR

Greg Kroah-Hartman
2020-11-23T13:17:16Z

From: Wang Qing <wangqing@vivo.com>

[ Upstream commit 81e329e93b860b31c216b40eb5e1373db0ffe0ba ]

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/ti/am65-cpts.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/net/ethernet/ti/am65-cpts.c
+++ b/drivers/net/ethernet/ti/am65-cpts.c
@@ -1016,8 +1016,7 @@ struct am65_cpts *am65_cpts_create(struc
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);