[PATCH 2/2] phy: usb: Fix return value check in sp_usb_phy_probe()

[Sun Ke]

In case of error, the function devm_ioremap() returns NULL pointer
not ERR_PTR(). The IS_ERR() test in the return value check
should be replaced with NULL test.

Fixes: 99d9ccd97385 ("phy: usb: Add USB2.0 phy driver for Sunplus SP7021")
Signed-off-by: Sun Ke <sunke32 at huawei.com>
---
 drivers/phy/sunplus/phy-sunplus-usb2.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/phy/sunplus/phy-sunplus-usb2.c b/drivers/phy/sunplus/phy-sunplus-usb2.c
index d73a8a421d9c..50ad428cc55d 100644
--- a/drivers/phy/sunplus/phy-sunplus-usb2.c
+++ b/drivers/phy/sunplus/phy-sunplus-usb2.c
@@ -260,8 +260,8 @@ static int sp_usb_phy_probe(struct platform_device *pdev)
 		return -EINVAL;
 	usbphy->moon4_regs = devm_ioremap(&pdev->dev, usbphy->moon4_res_mem->start,
 					  resource_size(usbphy->moon4_res_mem));
-	if (IS_ERR(usbphy->moon4_regs))
-		return PTR_ERR(usbphy->moon4_regs);
+	if (!usbphy->moon4_regs)
+		return -EINVAL;
 
 	usbphy->phy_clk = devm_clk_get(&pdev->dev, NULL);
 	if (IS_ERR(usbphy->phy_clk))
-- 
2.31.1