[PATCH] phy: fix ptr_ret.cocci warnings

[kernel test robot]

From: kernel test robot <lkp@xxxxxxxxx>

drivers/phy/tegra/phy-tegra194-p2u.c:95:1-3: WARNING: PTR_ERR_OR_ZERO can be used


 Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: scripts/coccinelle/api/ptr_ret.cocci

Fixes: 133552bf03ed ("phy: Remove CONFIG_ARCH_* check for related subdir in Makefile")
CC: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: kernel test robot <lkp@xxxxxxxxx>
---

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   09162bc32c880a791c6c0668ce0745cf7958f576
commit: 133552bf03edbe3892767a4b64c56e3bed746374 phy: Remove CONFIG_ARCH_* check for related subdir in Makefile

 phy-tegra194-p2u.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

--- a/drivers/phy/tegra/phy-tegra194-p2u.c
+++ b/drivers/phy/tegra/phy-tegra194-p2u.c
@@ -92,10 +92,7 @@ static int tegra_p2u_probe(struct platfo
 	phy_set_drvdata(generic_phy, phy);
 
 	phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
-	if (IS_ERR(phy_provider))
-		return PTR_ERR(phy_provider);
-
-	return 0;
+	return PTR_ERR_OR_ZERO(phy_provider);
 }
 
 static const struct of_device_id tegra_p2u_id_table[] = {