MIPS: OCTEON: add missing put_device() call in dwc3_octeon_device_init()

[ Upstream commit e8b9fc1 ]

if of_find_device_by_node() succeed, dwc3_octeon_device_init() doesn't have
a corresponding put_device(). Thus add put_device() to fix the exception
handling for this function implementation.

Fixes: 93e502b ("MIPS: OCTEON: Platform support for OCTEON III USB controller")
Signed-off-by: Yu Kuai <[email protected]>
Signed-off-by: Thomas Bogendoerfer <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>

Author: YuKuai-huawei

arch/mips/cavium-octeon/octeon-usb.c

@@ -517,6 +517,7 @@ static int __init dwc3_octeon_device_init(void)
 
 			res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 			if (res == NULL) {
+				put_device(&pdev->dev);
 				dev_err(&pdev->dev, "No memory resources\n");
 				return -ENXIO;
 			}
@@ -528,8 +529,10 @@ static int __init dwc3_octeon_device_init(void)
 			 * know the difference.
 			 */
 			base = devm_ioremap_resource(&pdev->dev, res);
-			if (IS_ERR(base))
+			if (IS_ERR(base)) {
+				put_device(&pdev->dev);
 				return PTR_ERR(base);
+			}
 
 			mutex_lock(&dwc3_octeon_clocks_mutex);
 			dwc3_octeon_clocks_start(&pdev->dev, (u64)base);