iwlwifi: fix checkpatch.pl errors

This patch fixes errors reported by checkpatch in iwlwifi drivers

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
index 4a08a1b..bce5383 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
@@ -273,8 +273,7 @@
 
 void iwl_eeprom_free(struct iwl_priv *priv)
 {
-	if(priv->eeprom)
-		kfree(priv->eeprom);
+	kfree(priv->eeprom);
 	priv->eeprom = NULL;
 }
 EXPORT_SYMBOL(iwl_eeprom_free);