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s390/qeth: fix early exit from error path

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[ Upstream commit 83cf79a2fec3cf499eb6cb9eb608656fc2a82776 ]

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
1 changed files with 4 additions and 2 deletions
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6
drivers/s390/net/qeth_l3_main.c
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@ -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 */
}