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Commit 016930b8 authored by Ursula Braun's avatar Ursula Braun Committed by David S. Miller
Browse files

s390/qeth: use ip_lock for hsuid configuration 



qeth_l3_dev_hsuid_store() changes the ip hash table, which
requires the ip_lock.

Signed-off-by: default avatarUrsula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e830baa9

drivers/s390/net/qeth_l3_sys.c

+5 −0
Original line number Diff line number Diff line
@@ -297,7 +297,9 @@ static ssize_t qeth_l3_dev_hsuid_store(struct device *dev, 
		addr->u.a6.pfxlen = 0;

		addr->type = QETH_IP_TYPE_NORMAL;



		spin_lock_bh(&card->ip_lock);

		qeth_l3_delete_ip(card, addr);

		spin_unlock_bh(&card->ip_lock);

		kfree(addr);

	}
@@ -329,7 +331,10 @@ static ssize_t qeth_l3_dev_hsuid_store(struct device *dev, 
		addr->type = QETH_IP_TYPE_NORMAL;

	} else

		return -ENOMEM;



	spin_lock_bh(&card->ip_lock);

	qeth_l3_add_ip(card, addr);

	spin_unlock_bh(&card->ip_lock);

	kfree(addr);



	return count;