wireless, orinoco: release_firmware() tests for NULL, remove explicit tests before calls

It is redundant to test for NULL pointers before calling
release_firmware() since the function does its own NULL test.
Signed-off-by: NJesper Juhl <jj@chaosbits.net>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/orinoco/fw.c

@@ -379,11 +379,8 @@ void orinoco_cache_fw(struct orinoco_private *priv, int ap)
 
 void orinoco_uncache_fw(struct orinoco_private *priv)
 {
-	if (priv->cached_pri_fw)
-		release_firmware(priv->cached_pri_fw);
-	if (priv->cached_fw)
-		release_firmware(priv->cached_fw);
-
+	release_firmware(priv->cached_pri_fw);
+	release_firmware(priv->cached_fw);
 	priv->cached_pri_fw = NULL;
 	priv->cached_fw = NULL;
 }