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-rw-r--r--drivers/s390/net/qeth_l3_main.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 667a10d6495d..1000e18c1090 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -920,6 +920,8 @@ static int qeth_l3_iqd_read_initial_mac_cb(struct qeth_card *card,
if (cmd->hdr.return_code)
return -EIO;
+ if (!is_valid_ether_addr(cmd->data.create_destroy_addr.mac_addr))
+ return -EADDRNOTAVAIL;
ether_addr_copy(card->dev->dev_addr,
cmd->data.create_destroy_addr.mac_addr);