qeth: make qeth_query_card_info_cb() static

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/s390/net/qeth_core_main.c

@@ -4610,7 +4610,7 @@ int qeth_query_oat_command(struct qeth_card *card, char __user *udata)
 }
 EXPORT_SYMBOL_GPL(qeth_query_oat_command);
 
-int qeth_query_card_info_cb(struct qeth_card *card,
+static int qeth_query_card_info_cb(struct qeth_card *card,
 				   struct qeth_reply *reply, unsigned long data)
 {
 	struct qeth_ipa_cmd *cmd;