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drm/vmwgfx: Don't access file_priv in cursor_set when handle==0 

We want to disable the cursor by calling ->cursor_set() with handle=0
from places where we don't have a file_priv, so don't try to access it
unless necessary.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Ville Syrjälä 2013-06-03 16:10:41 +03:00 committed by Dave Airlie
parent ad6f5c3433
commit a5d0f5766f
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
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@ -174,7 +174,6 @@ int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
uint32_t handle, uint32_t width, uint32_t height) uint32_t handle, uint32_t width, uint32_t height)
{ {
struct vmw_private *dev_priv = vmw_priv(crtc->dev); struct vmw_private *dev_priv = vmw_priv(crtc->dev);
struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
struct vmw_display_unit *du = vmw_crtc_to_du(crtc); struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
struct vmw_surface *surface = NULL; struct vmw_surface *surface = NULL;
struct vmw_dma_buffer *dmabuf = NULL; struct vmw_dma_buffer *dmabuf = NULL;
@ -197,6 +196,8 @@ int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
} }
if (handle) { if (handle) {
struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
ret = vmw_user_lookup_handle(dev_priv, tfile, ret = vmw_user_lookup_handle(dev_priv, tfile,
handle, &surface, &dmabuf); handle, &surface, &dmabuf);
if (ret) { if (ret) {