1 files changed, 45 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3806-drm-amdgpu-remove-the-redundant-null-checks.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3806-drm-amdgpu-remove-the-redundant-null-checks.patch
new file mode 100644
index 00000000..5c60bfb9
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3806-drm-amdgpu-remove-the-redundant-null-checks.patch
@@ -0,0 +1,45 @@
+From 5dfdec6f30b28e528178934f26c268aa15fe85be Mon Sep 17 00:00:00 2001
+From: zhong jiang <zhongjiang@huawei.com>
+Date: Tue, 3 Sep 2019 14:15:05 +0800
+Subject: [PATCH 3806/4256] drm/amdgpu: remove the redundant null checks
+
+debugfs_remove and kfree has taken the null check in account.
+hence it is unnecessary to check it. Just remove the condition.
+No functional change.
+
+This issue was detected by using the Coccinelle software.
+
+Signed-off-by: zhong jiang <zhongjiang@huawei.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 6 ++----
+ 1 file changed, 2 insertions(+), 4 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+index 79c8cf61c577..f68438e8f092 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+@@ -1074,8 +1074,7 @@ static int amdgpu_debugfs_ib_preempt(void *data, u64 val)
+ 
+ 	ttm_bo_unlock_delayed_workqueue(&adev->mman.bdev, resched);
+ 
+-	if (fences)
+-		kfree(fences);
++	kfree(fences);
+ 
+ 	return 0;
+ }
+@@ -1100,8 +1099,7 @@ int amdgpu_debugfs_init(struct amdgpu_device *adev)
+ 
+ void amdgpu_debugfs_preempt_cleanup(struct amdgpu_device *adev)
+ {
+-	if (adev->debugfs_preempt)
+-		debugfs_remove(adev->debugfs_preempt);
++	debugfs_remove(adev->debugfs_preempt);
+ }
+ 
+ #else
+-- 
+2.17.1
+