[PATCH -next] drm/amdgpu: fix error return code in amdgpu_acpi_init()

[Wei Yongjun]

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: 77bf762f8b30 ("drm/amdgpu/acpi: unify ATCS handling (v3)")
Reported-by: Hulk Robot <hulkci at huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1 at huawei.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
index 49563ff87f1a..9564690b21b4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
@@ -895,12 +895,15 @@ int amdgpu_acpi_init(struct amdgpu_device *adev)
 atcs:
 	/* Probe for ATCS, and initialize it if found */
 	atcs_handle = amdgpu_atcs_probe_handle(handle);
-	if (!atcs_handle)
+	if (!atcs_handle) {
+		ret = -ENODEV;
 		goto out;
+	}
 
 	atcs = kzalloc(sizeof(*atcs), GFP_KERNEL);
 	if (!atcs) {
 		DRM_WARN("Not enough memory to initialize ATCS\n");
+		ret = -ENOMEM;
 		goto out;
 	}
 	atcs->handle = atcs_handle;