iwlagn: remove pointless return variables

A number of places just use a variable to return
it right away, which is useless, so let's remove
the variables there.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
index 5d35e35..bb262a6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
@@ -653,7 +653,5 @@
 	 * Selection of bootstrap image (vs. other images) is arbitrary. */
 	image = (__le32 *)priv->ucode_boot.v_addr;
 	len = priv->ucode_boot.len;
-	ret = iwl_verify_inst_full(priv, image, len);
-
-	return ret;
+	return iwl_verify_inst_full(priv, image, len);
 }