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

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: 93e502b3c2d4 ("MIPS: OCTEON: Platform support for OCTEON III USB controller")
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

diff --git a/arch/mips/cavium-octeon/octeon-usb.c b/arch/mips/cavium-octeon/octeon-usb.c
index 1fd85c559700c1dbe86c2379611747525e717adb..950e6c6e862973b421393f9afcc02f9fdb1f3f0f 100644 (file)
--- a/arch/mips/cavium-octeon/octeon-usb.c
+++ b/arch/mips/cavium-octeon/octeon-usb.c
@@ -518,6 +518,7 @@ 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;
                        }
@@ -529,8 +530,10 @@ 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);