1 files changed, 74 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1468-drm-amdkfd-Fix-memory-leaks-in-kfd-topology.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1468-drm-amdkfd-Fix-memory-leaks-in-kfd-topology.patch
new file mode 100644
index 00000000..695f388b
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1468-drm-amdkfd-Fix-memory-leaks-in-kfd-topology.patch
@@ -0,0 +1,74 @@
+From 4c5e52b7449df7f99d90874bb88a6a70911572d1 Mon Sep 17 00:00:00 2001
+From: Yong Zhao <yong.zhao@amd.com>
+Date: Wed, 29 Jun 2016 14:02:09 -0400
+Subject: [PATCH 1468/4131] drm/amdkfd: Fix memory leaks in kfd topology
+
+Kobject created using kobject_create_and_add() can be freed using
+kobject_put() when there is no referenece any more. However,
+kobject memory allocated with kzalloc() has to set up a release
+callback in order to free it when the counter decreases to 0.
+Otherwise it causes memory leak.
+
+Change-Id: I824d93283100141b44e41d5d12b513d32d0396a4
+Signed-off-by: Yong Zhao <yong.zhao@amd.com>
+---
+ drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 10 ++++++++++
+ 1 file changed, 10 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+index 5ba4179..67b9e16 100644
+--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
++++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+@@ -222,11 +222,17 @@ static ssize_t sysprops_show(struct kobject *kobj, struct attribute *attr,
+ 	return ret;
+ }
+ 
++static void kfd_topology_kobj_release(struct kobject *kobj)
++{
++	kfree(kobj);
++}
++
+ static const struct sysfs_ops sysprops_ops = {
+ 	.show = sysprops_show,
+ };
+ 
+ static struct kobj_type sysprops_type = {
++	.release = kfd_topology_kobj_release,
+ 	.sysfs_ops = &sysprops_ops,
+ };
+ 
+@@ -262,6 +268,7 @@ static const struct sysfs_ops iolink_ops = {
+ };
+ 
+ static struct kobj_type iolink_type = {
++	.release = kfd_topology_kobj_release,
+ 	.sysfs_ops = &iolink_ops,
+ };
+ 
+@@ -289,6 +296,7 @@ static const struct sysfs_ops mem_ops = {
+ };
+ 
+ static struct kobj_type mem_type = {
++	.release = kfd_topology_kobj_release,
+ 	.sysfs_ops = &mem_ops,
+ };
+ 
+@@ -334,6 +342,7 @@ static const struct sysfs_ops cache_ops = {
+ };
+ 
+ static struct kobj_type cache_type = {
++	.release = kfd_topology_kobj_release,
+ 	.sysfs_ops = &cache_ops,
+ };
+ 
+@@ -460,6 +469,7 @@ static const struct sysfs_ops node_ops = {
+ };
+ 
+ static struct kobj_type node_type = {
++	.release = kfd_topology_kobj_release,
+ 	.sysfs_ops = &node_ops,
+ };
+ 
+-- 
+2.7.4
+