fpga: add devm_fpga_region_create

Add devm_fpga_region_create() which is the
managed version of fpga_region_create().

Change current region drivers to use
devm_fpga_region_create().

Signed-off-by: Alan Tull <atull@kernel.org>
Suggested-by: Federico Vaga <federico.vaga@cern.ch>
Acked-by: Moritz Fischer <mdf@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 2 insertions, 4 deletions

diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c
index a9b521bccb06..2c09e502e721 100644
--- a/drivers/fpga/dfl.c
+++ b/drivers/fpga/dfl.c
@@ -899,7 +899,7 @@ dfl_fpga_feature_devs_enumerate(struct dfl_fpga_enum_info *info)
         if (!cdev)
                 return ERR_PTR(-ENOMEM);
 
-        cdev->region = fpga_region_create(info->dev, NULL, NULL);
+        cdev->region = devm_fpga_region_create(info->dev, NULL, NULL);
         if (!cdev->region) {
                 ret = -ENOMEM;
                 goto free_cdev_exit;
@@ -911,7 +911,7 @@ dfl_fpga_feature_devs_enumerate(struct dfl_fpga_enum_info *info)
 
         ret = fpga_region_register(cdev->region);
         if (ret)
-                goto free_region_exit;
+                goto free_cdev_exit;
 
         /* create and init build info for enumeration */
         binfo = devm_kzalloc(info->dev, sizeof(*binfo), GFP_KERNEL);
@@ -942,8 +942,6 @@ dfl_fpga_feature_devs_enumerate(struct dfl_fpga_enum_info *info)
 
 unregister_region_exit:
         fpga_region_unregister(cdev->region);
-free_region_exit:
-        fpga_region_free(cdev->region);
 free_cdev_exit:
         devm_kfree(info->dev, cdev);
         return ERR_PTR(ret);