platform_device_alloc() create a platform device object. we should call platform_device_put() in error path to release the resource. Fixes: 543be3d8c999 ("fpga: add device feature list support") Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx> --- drivers/fpga/dfl.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c index 599bb21d86af..f0b945bd975f 100644 --- a/drivers/fpga/dfl.c +++ b/drivers/fpga/dfl.c @@ -879,8 +879,10 @@ build_info_create_dev(struct build_feature_devs_info *binfo, INIT_LIST_HEAD(&binfo->sub_features); fdev->id = dfl_id_alloc(type, &fdev->dev); - if (fdev->id < 0) + if (fdev->id < 0) { + platform_device_put(fdev); return fdev->id; + } fdev->dev.parent = &binfo->cdev->region->dev; fdev->dev.devt = dfl_get_devt(dfl_devs[type].devt_type, fdev->id); -- 2.25.1