s390/qeth: fix early exit from error path

[ Upstream commit 83cf79a2fe ]

When the allocation of the addr buffer fails, we need to free
our refcount on the inetdevice before returning.

Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Julian Wiedmann
2017-10-18 17:40:17 +02:00
committed by Greg Kroah-Hartman
parent c7203f55d5
commit 6efcd7eada

View File

@@ -1553,7 +1553,7 @@ static void qeth_l3_free_vlan_addresses4(struct qeth_card *card,
addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV4);
if (!addr)
return;
goto out;
spin_lock_bh(&card->ip_lock);
@@ -1567,6 +1567,7 @@ static void qeth_l3_free_vlan_addresses4(struct qeth_card *card,
spin_unlock_bh(&card->ip_lock);
kfree(addr);
out:
in_dev_put(in_dev);
}
@@ -1591,7 +1592,7 @@ static void qeth_l3_free_vlan_addresses6(struct qeth_card *card,
addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6);
if (!addr)
return;
goto out;
spin_lock_bh(&card->ip_lock);
@@ -1606,6 +1607,7 @@ static void qeth_l3_free_vlan_addresses6(struct qeth_card *card,
spin_unlock_bh(&card->ip_lock);
kfree(addr);
out:
in6_dev_put(in6_dev);
#endif /* CONFIG_QETH_IPV6 */
}