[PATCH 6.1 391/417] drm/amdkfd: Use resource_size() helper function

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6.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Deepak R Varma <drv@xxxxxxxxx>

[ Upstream commit 9d086e0ddaeb08876f4df3a1485166bfd7483252 ]

Use the resource_size() function instead of a open coded computation
resource size. It makes the code more readable.

Issue identified using resource_size.cocci coccinelle semantic patch.

Signed-off-by: Deepak R Varma <drv@xxxxxxxxx>
Signed-off-by: Felix Kuehling <Felix.Kuehling@xxxxxxx>
Reviewed-by: Felix Kuehling <Felix.Kuehling@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Stable-dep-of: 02eed83abc13 ("drm/amdkfd: fixes for HMM mem allocation")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/gpu/drm/amd/amdkfd/kfd_migrate.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
index 88bf6221d4be..2d011daf5a39 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
@@ -1038,8 +1038,7 @@ int svm_migrate_init(struct amdgpu_device *adev)
 		/* Disable SVM support capability */
 		pgmap->type = 0;
 		if (pgmap->type == MEMORY_DEVICE_PRIVATE)
-			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);
 	}
 
-- 
2.43.0







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