[PATCH] gpu: drm: amd: amdgpu: fix error return code of amdgpu_acpi_init()

[Jia-Ju Bai]

Add error return code in error hanlding code of amdgpu_acpi_init().

Reported-by: TOTE Robot <os...@tsinghua.edu.cn>
Signed-off-by: Jia-Ju Bai <baijiaju1...@gmail.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
index 8155c54392c8..156f30d5a2c0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
@@ -788,12 +788,15 @@ int amdgpu_acpi_init(struct amdgpu_device *adev)
 
        /* Probe for ATIF, and initialize it if found */
        atif_handle = amdgpu_atif_probe_handle(handle);
-       if (!atif_handle)
+       if (!atif_handle) {
+               ret = -EINVAL;
                goto out;
+       }
 
        atif = kzalloc(sizeof(*atif), GFP_KERNEL);
        if (!atif) {
                DRM_WARN("Not enough memory to initialize ATIF\n");
+               ret = -ENOMEM;
                goto out;
        }
        atif->handle = atif_handle;
@@ -803,6 +806,7 @@ int amdgpu_acpi_init(struct amdgpu_device *adev)
        if (ret) {
                DRM_DEBUG_DRIVER("Call to ATIF verify_interface failed: %d\n", 
ret);
                kfree(atif);
+               ret = -EINVAL;
                goto out;
        }
        adev->atif = atif;
-- 
2.17.1