diff mbox series

usb: dwc3: xilinx: fix uninitialized return value

Message ID 20220127221500.177021-1-robert.hancock@calian.com
State Superseded
Headers show
Series usb: dwc3: xilinx: fix uninitialized return value | expand

Commit Message

Robert Hancock Jan. 27, 2022, 10:15 p.m. UTC 
A previous patch to skip part of the initialization when a USB3 PHY was
not present could result in the return value being uninitialized in that
case, causing spurious probe failures. Initialize ret to 0 to avoid this.

Fixes: 9678f3361afc ("usb: dwc3: xilinx: Skip resets and USB3 register settings for USB2.0 mode")
Cc: <stable@vger.kernel.org>
Signed-off-by: Robert Hancock <robert.hancock@calian.com>
---
 drivers/usb/dwc3/dwc3-xilinx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/usb/dwc3/dwc3-xilinx.c b/drivers/usb/dwc3/dwc3-xilinx.c
index e14ac15e24c3..a6f3a9b38789 100644
--- a/drivers/usb/dwc3/dwc3-xilinx.c
+++ b/drivers/usb/dwc3/dwc3-xilinx.c
@@ -99,7 +99,7 @@  static int dwc3_xlnx_init_zynqmp(struct dwc3_xlnx *priv_data)
 	struct device		*dev = priv_data->dev;
 	struct reset_control	*crst, *hibrst, *apbrst;
 	struct phy		*usb3_phy;
-	int			ret;
+	int			ret = 0;
 	u32			reg;
 
 	usb3_phy = devm_phy_optional_get(dev, "usb3-phy");