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authorIngo Molnar <mingo@kernel.org>2017-01-28 09:30:11 +0100
committerIngo Molnar <mingo@kernel.org>2017-01-28 09:30:11 +0100
commit9a1f4150fe932fb892c05084029b3718b8ed1baf (patch)
treeb8f18ea5f0bdc842e3cf8da4700c1d577a3b1c66 /drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
parentf28442497b5caf7bf573ade22a7f8d3559e3ef56 (diff)
parent1b1bc42c1692e9b62756323c675a44cb1a1f9dbd (diff)
Merge branch 'linus' into x86/boot, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 29d6d84d1c28..41e41f90265d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -83,6 +83,13 @@ int amdgpu_cs_get_ring(struct amdgpu_device *adev, u32 ip_type,
}
break;
}
+
+ if (!(*out_ring && (*out_ring)->adev)) {
+ DRM_ERROR("Ring %d is not initialized on IP %d\n",
+ ring, ip_type);
+ return -EINVAL;
+ }
+
return 0;
}