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author | Michel Dänzer <michel.daenzer@amd.com> | 2017-11-22 15:55:21 +0100 |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2017-11-28 17:44:14 -0500 |
commit | fa7c7939b4bf112cd06ba166b739244077898990 (patch) | |
tree | db5b7742c26247e7d67aab43cca8952ec25777f3 /drivers/gpu/drm/amd/amdgpu/amdgpu.h | |
parent | 89ce6e0afee8eafa679093207dabd717af9d09c5 (diff) | |
download | lwn-fa7c7939b4bf112cd06ba166b739244077898990.tar.gz lwn-fa7c7939b4bf112cd06ba166b739244077898990.zip |
drm/amdgpu: Use unsigned ring indices in amdgpu_queue_mgr_map
This matches the corresponding UAPI fields. Treating the ring index as
signed could result in accessing random unrelated memory if the MSB was
set.
Fixes: effd924d2f3b ("drm/amdgpu: untie user ring ids from kernel ring
ids v6")
Cc: stable@vger.kernel.org
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu.h')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index c25cedff4915..0b14b5373783 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -717,7 +717,7 @@ int amdgpu_queue_mgr_fini(struct amdgpu_device *adev, struct amdgpu_queue_mgr *mgr); int amdgpu_queue_mgr_map(struct amdgpu_device *adev, struct amdgpu_queue_mgr *mgr, - int hw_ip, int instance, int ring, + u32 hw_ip, u32 instance, u32 ring, struct amdgpu_ring **out_ring); /* |