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(parent: 63cb444) | patch
drm/vmwgfx: Fix user space handle equal to zero
authorThomas Hellstrom <thellstrom@vmware.com>
Tue, 7 May 2019 09:10:10 +0000 (11:10 +0200)
committerThomas Hellstrom <thellstrom@vmware.com>
Tue, 21 May 2019 08:23:09 +0000 (10:23 +0200)
commit8407f8a1d940fe28c4243ad4f0cb6a44dcee88f6
tree42336eba45dcdb56d02d59b13848ed46be9070aetree | snapshot
parent63cb44441826e842b7285575b96db631cc9f2505commit | diff
drm/vmwgfx: Fix user space handle equal to zero

User-space handles equal to zero are interpreted as uninitialized or
illegal by some drm systems (most notably kms). This means that a
dumb buffer or surface with a zero user-space handle can never be
used as a kms frame-buffer.

Cc: <stable@vger.kernel.org>
Fixes: c7eae62666ad ("drm/vmwgfx: Make the object handles idr-generated")
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Deepak Rawat <drawat@vmware.com>
drivers/gpu/drm/vmwgfx/ttm_object.c diff | blob | history
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