linux-kernel - [PATCH -next] drm/amdkfd: Fix resource

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Date:   Thu,  3 Feb 2022 13:04:21 +0800
From:   Yang Li <yang.lee@...ux.alibaba.com>
To:     daniel@...ll.ch
Cc:     airlied@...ux.ie, Xinhui.Pan@....com, christian.koenig@....com,
        alexander.deucher@....com, Felix.Kuehling@....com,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, Yang Li <yang.lee@...ux.alibaba.com>,
        Abaci Robot <abaci@...ux.alibaba.com>
Subject: [PATCH -next] drm/amdkfd: Fix resource_size.cocci warning

Use resource_size function on resource object instead of explicit
computation.

Eliminate the following coccicheck warning:
./drivers/gpu/drm/amd/amdkfd/kfd_migrate.c:978:11-14: ERROR: Missing
resource_size with res

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_migrate.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
index 8430f6475723..d4287a39be56 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
@@ -975,7 +975,7 @@ int svm_migrate_init(struct amdgpu_device *adev)
 		pgmap->type = 0;
 		if (pgmap->type == MEMORY_DEVICE_PRIVATE)
 			devm_release_mem_region(adev->dev, res->start,
-						res->end - res->start + 1);
+						resource_size(res));
 		return PTR_ERR(r);
 	}
 
-- 
2.20.1.7.g153144c