1 files changed, 38 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2702-drm-amdkfd-Use-kmemdup-instead-of-duplicating-its-fu.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2702-drm-amdkfd-Use-kmemdup-instead-of-duplicating-its-fu.patch
new file mode 100644
index 00000000..d8dfbe30
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2702-drm-amdkfd-Use-kmemdup-instead-of-duplicating-its-fu.patch
@@ -0,0 +1,38 @@
+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
+