If device_register() fails in fpga_mgr_register_full(), the mgr allocated by kzalloc() and the id allocated by ida_alloc() also need be freed otherwise will cause memory leak. Fixes: 4ba0b2c294fe ("fpga: mgr: Use standard dev_release for class driver") Signed-off-by: Jinjie Ruan <ruanjinjie@xxxxxxxxxx> --- drivers/fpga/fpga-mgr.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/fpga/fpga-mgr.c b/drivers/fpga/fpga-mgr.c index 06651389c592..9724f192ba16 100644 --- a/drivers/fpga/fpga-mgr.c +++ b/drivers/fpga/fpga-mgr.c @@ -827,13 +827,13 @@ fpga_mgr_register_full(struct device *parent, const struct fpga_manager_info *in mgr->state = fpga_mgr_state(mgr); ret = device_register(&mgr->dev); - if (ret) { - put_device(&mgr->dev); - return ERR_PTR(ret); - } + if (ret) + goto error_put_device; return mgr; +error_put_device: + put_device(&mgr->dev); error_device: ida_free(&fpga_mgr_ida, id); error_kfree: -- 2.34.1