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From 8f243c939f7a277c924c1f7b5daac9a615b9c0c3 Mon Sep 17 00:00:00 2001
From: zhong jiang <zhongjiang@huawei.com>
Date: Tue, 18 Sep 2018 23:35:32 +0800
Subject: [PATCH 2702/2940] drm/amdkfd: Use kmemdup instead of duplicating its
function
kmemdup has implemented the function that kmalloc() + memcpy().
We prefer to kmemdup rather than code opened implementation.
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdkfd/kfd_crat.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
index 56412b0e7e1c..dd4f3bdbf08c 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
@@ -753,12 +753,10 @@ int kfd_create_crat_image_acpi(void **crat_image, size_t *size)
return -ENODATA;
}
- pcrat_image = kmalloc(crat_table->length, GFP_KERNEL);
+ pcrat_image = kmemdup(crat_table, crat_table->length, GFP_KERNEL);
if (!pcrat_image)
return -ENOMEM;
- memcpy(pcrat_image, crat_table, crat_table->length);
-
*crat_image = pcrat_image;
*size = crat_table->length;
--
2.17.1
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