qlogic: get rid of a redundant test for NULL before call to release_firmware()

Since release_firmware() deals gracefully with being passed a NULL
pointer there is no reason to test explicitly before calling the
function.
Signed-off-by: NJesper Juhl <jj@chaosbits.net>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>

drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c

@@ -1261,8 +1261,7 @@ void netxen_request_firmware(struct netxen_adapter *adapter)
 void
 netxen_release_firmware(struct netxen_adapter *adapter)
 {
-	if (adapter->fw)
-		release_firmware(adapter->fw);
+	release_firmware(adapter->fw);
 	adapter->fw = NULL;
 }
 

drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c

@@ -1321,8 +1321,7 @@ void qlcnic_request_firmware(struct qlcnic_adapter *adapter)
 void
 qlcnic_release_firmware(struct qlcnic_adapter *adapter)
 {
-	if (adapter->fw)
-		release_firmware(adapter->fw);
+	release_firmware(adapter->fw);
 	adapter->fw = NULL;
 }