[PATCH] drm/amdgpu: Fixed warning reported by kernel test robot

[yipechai]

Fixed warning reported by kernel test robot:
1.warning: no previous prototype for function 'amdgpu_ras_block_late_init_default'.
2.warning: variable 'ras_obj' is used uninitialized whenever '||' condition is true.

Signed-off-by: yipechai <YiPeng.Chai at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index e5874df3c9ca..a73567ea03d5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -2400,7 +2400,7 @@ bool amdgpu_ras_is_poison_mode_supported(struct amdgpu_device *adev)
 int amdgpu_ras_block_late_init(struct amdgpu_device *adev,
 			 struct ras_common_if *ras_block)
 {
-	struct amdgpu_ras_block_object *ras_obj;
+	struct amdgpu_ras_block_object *ras_obj = NULL;
 	struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
 	unsigned long ue_count, ce_count;
 	int r;
@@ -2456,7 +2456,7 @@ int amdgpu_ras_block_late_init(struct amdgpu_device *adev,
 	return r;
 }
 
-int amdgpu_ras_block_late_init_default(struct amdgpu_device *adev,
+static int amdgpu_ras_block_late_init_default(struct amdgpu_device *adev,
 			 struct ras_common_if *ras_block)
 {
 	return amdgpu_ras_block_late_init(adev, ras_block);
-- 
2.25.1