drm/i915/bios: reduce indent in parse_general_features

Slightly cleaner with early exit.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1450271061-32646-4-git-send-email-jani.nikula@intel.com

drivers/gpu/drm/i915/intel_bios.c

@@ -353,7 +353,9 @@ parse_general_features(struct drm_i915_private *dev_priv,
 	const struct bdb_general_features *general;
 
 	general = find_section(bdb, BDB_GENERAL_FEATURES);
-	if (general) {
+	if (!general)
+		return;
+
 	dev_priv->vbt.int_tv_support = general->int_tv_support;
 	/* int_crt_support can't be trusted on earlier platforms */
 	if (bdb->version >= 155 &&
@@ -371,7 +373,6 @@ parse_general_features(struct drm_i915_private *dev_priv,
 		      dev_priv->vbt.lvds_ssc_freq,
 		      dev_priv->vbt.display_clock_mode,
 		      dev_priv->vbt.fdi_rx_polarity_inverted);
-	}
 }
 
 static void