The lessor is invariant over a lifetime of a lease, we don't have to grab any locks for that. Speeds up the common case of not being a lease.
Cc: Keith Packard keithp@keithp.com Signed-off-by: Daniel Vetter daniel.vetter@ffwll.ch --- drivers/gpu/drm/drm_lease.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/drm_lease.c b/drivers/gpu/drm/drm_lease.c index cce5d9dd52ff..694ff363a90b 100644 --- a/drivers/gpu/drm/drm_lease.c +++ b/drivers/gpu/drm/drm_lease.c @@ -111,7 +111,7 @@ static bool _drm_has_leased(struct drm_master *master, int id) */ bool _drm_lease_held(struct drm_file *file_priv, int id) { - if (file_priv == NULL || file_priv->master == NULL) + if (!file_priv || !file_priv->master) return true;
return _drm_lease_held_master(file_priv->master, id); @@ -133,7 +133,7 @@ bool drm_lease_held(struct drm_file *file_priv, int id) struct drm_master *master; bool ret;
- if (file_priv == NULL || file_priv->master == NULL) + if (!file_priv || !file_priv->master || !file_priv->master->lessor) return true;
master = file_priv->master; @@ -159,7 +159,7 @@ uint32_t drm_lease_filter_crtcs(struct drm_file *file_priv, uint32_t crtcs_in) int count_in, count_out; uint32_t crtcs_out = 0;
- if (file_priv == NULL || file_priv->master == NULL) + if (!file_priv || !file_priv->master || !file_priv->master->lessor) return crtcs_in;
master = file_priv->master;