drm/amdkfd: fix resource_size.cocci warnings

Use resource_size function on resource object
instead of explicit computation.

Clean up coccicheck warning:
./drivers/gpu/drm/amd/amdkfd/kfd_migrate.c:905:10-13: ERROR: Missing
resource_size with res

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Reviewed-by: Amos Kong <kongjianjun@gmail.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
index 4a16e3c257b9268b4eb6ff2788a4685610ceaca6..f53e17a94ad8c08618c99900996e37298adbd633 100644 (file)
--- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
@@ -901,8 +901,7 @@ int svm_migrate_init(struct amdgpu_device *adev)
 
                /* Disable SVM support capability */
                pgmap->type = 0;
-               devm_release_mem_region(adev->dev, res->start,
-                                       res->end - res->start + 1);
+               devm_release_mem_region(adev->dev, res->start, resource_size(res));
                return PTR_ERR(r);
        }