In case of an error, call release_mem_region when an error happens during allocation of resources. Also add error handling for the case that reset_controller_register fails.
Reported-by: kernel test robot <l...@intel.com> Reported-by: Dan Carpenter <dan.carpen...@oracle.com> Signed-off-by: Dinh Nguyen <dingu...@kernel.org> --- drivers/reset/reset-socfpga.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/reset/reset-socfpga.c b/drivers/reset/reset-socfpga.c index bdd984296196..af9041ec37c6 100644 --- a/drivers/reset/reset-socfpga.c +++ b/drivers/reset/reset-socfpga.c @@ -44,7 +44,7 @@ static int a10_reset_init(struct device_node *np) data->membase = ioremap(res.start, size); if (!data->membase) { ret = -ENOMEM; - goto err_alloc; + goto release_region; } if (of_property_read_u32(np, "altr,modrst-offset", ®_offset)) @@ -59,7 +59,14 @@ static int a10_reset_init(struct device_node *np) data->rcdev.of_node = np; data->status_active_low = true; - return reset_controller_register(&data->rcdev); + ret = reset_controller_register(&data->rcdev); + if (ret) + pr_err("unable to register device\n"); + + return 0; + +release_region: + release_mem_region(res.start, size); err_alloc: kfree(data); -- 2.17.1