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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2018-08-07 09:46:02 +0300 |
|---|---|---|
| committer | Zhenyu Wang <zhenyuw@linux.intel.com> | 2018-08-14 15:26:59 +0800 |
| commit | 4b25e737cfc7f2ade956df3c747a7dd2ff1e2774 (patch) | |
| tree | 4752eb98ea45e68a57cde8847d6cf38617525b78 /drivers/gpu | |
| parent | de5372da605d3bca46e3102bab51b7e1c0e0a6f6 (diff) | |
| download | linux-stable-4b25e737cfc7f2ade956df3c747a7dd2ff1e2774.tar.gz linux-stable-4b25e737cfc7f2ade956df3c747a7dd2ff1e2774.tar.bz2 linux-stable-4b25e737cfc7f2ade956df3c747a7dd2ff1e2774.zip | |
drm/i915/gvt: Off by one in intel_vgpu_write_fence()
The > should be >= here so that we don't read one element beyond the
end of the array.
Fixes: 28a60dee2ce6 ("drm/i915/gvt: vGPU HW resource management")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/aperture_gm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gvt/aperture_gm.c b/drivers/gpu/drm/i915/gvt/aperture_gm.c index 380eeb2a0e83..fe754022e356 100644 --- a/drivers/gpu/drm/i915/gvt/aperture_gm.c +++ b/drivers/gpu/drm/i915/gvt/aperture_gm.c @@ -131,7 +131,7 @@ void intel_vgpu_write_fence(struct intel_vgpu *vgpu, assert_rpm_wakelock_held(dev_priv); - if (WARN_ON(fence > vgpu_fence_sz(vgpu))) + if (WARN_ON(fence >= vgpu_fence_sz(vgpu))) return; reg = vgpu->fence.regs[fence]; |