Variable ret was removed in commit 0ee69c589ec("MIPS: OCTEON: use devm_platform_ioremap_resource") but still being used in devm_release_mem_region which is unneeded. So remove this line to fix error. Fixes: 0ee69c589ec("MIPS: OCTEON: use devm_platform_ioremap_resource") Reported-by: kernel test robot <lkp@xxxxxxxxx> Signed-off-by: Qinglang Miao <miaoqinglang@xxxxxxxxxx> --- arch/mips/cavium-octeon/octeon-usb.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/mips/cavium-octeon/octeon-usb.c b/arch/mips/cavium-octeon/octeon-usb.c index 97f6dc31e1b4..987a94cbf3d0 100644 --- a/arch/mips/cavium-octeon/octeon-usb.c +++ b/arch/mips/cavium-octeon/octeon-usb.c @@ -534,8 +534,6 @@ static int __init dwc3_octeon_device_init(void) dev_info(&pdev->dev, "clocks initialized.\n"); mutex_unlock(&dwc3_octeon_clocks_mutex); devm_iounmap(&pdev->dev, base); - devm_release_mem_region(&pdev->dev, res->start, - resource_size(res)); } } while (node != NULL); -- 2.23.0