[PATCH net-next] can: flexcan: fix 'passing zero to ERR_PTR()' warning

[YueHaibing]

Fix a static code checker warning:
drivers/net/can/flexcan.c:1435 flexcan_setup_stop_mode() warn: passing zero to 
'PTR_ERR'

Fixes: de3578c198c6 ("can: flexcan: add self wakeup support")
Signed-off-by: YueHaibing <yuehaib...@huawei.com>
---
 drivers/net/can/flexcan.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index 0f36eaf..5f09764 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -1432,7 +1432,7 @@ static int flexcan_setup_stop_mode(struct platform_device 
*pdev)
        gpr_np = of_find_node_by_phandle(phandle);
        if (!gpr_np) {
                dev_dbg(&pdev->dev, "could not find gpr node by phandle\n");
-               return PTR_ERR(gpr_np);
+               return -ENODEV;
        }
 
        priv = netdev_priv(dev);
-- 
2.7.0