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Merge tag 'vmwgfx-next-15-09-01' of git://people.freedesktop.org/~thomash/linux into drm-next

Browse Source 
Pull request of 2015-09-01

A single commit. Workaround for
https://bugzilla.redhat.com/show_bug.cgi?id=1227193

* tag 'vmwgfx-next-15-09-01' of git://people.freedesktop.org/~thomash/linux:
  drm/vmwgfx: Allow dropped masters render-node like access on legacy nodes v2
This commit is contained in:
Dave Airlie 2015-09-04 13:08:08 +10:00
commit 41e8a0a304
2 changed files with 12 additions and 1 deletions
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7
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
View File

@ -1052,10 +1052,15 @@ static struct vmw_master *vmw_master_check(struct drm_device *dev,
}
/*
* Check if we were previously master, but now dropped.
* Check if we were previously master, but now dropped. In that
* case, allow at least render node functionality.
*/
if (vmw_fp->locked_master) {
mutex_unlock(&dev->master_mutex);
if (flags & DRM_RENDER_ALLOW)
return NULL;
DRM_ERROR("Dropped master trying to access ioctl that "
"requires authentication.\n");
return ERR_PTR(-EACCES);

6
drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
View File

@ -911,6 +911,12 @@ vmw_surface_handle_reference(struct vmw_private *dev_priv,
"surface reference.\n");
return -EACCES;
}
if (ACCESS_ONCE(vmw_fpriv(file_priv)->locked_master)) {
DRM_ERROR("Locked master refused legacy "
"surface reference.\n");
return -EACCES;
}
handle = u_handle;
}