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authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2012-09-24 08:24:25 +0400
committerDavid S. Miller <davem@davemloft.net>2012-09-24 23:45:17 +0400
commitf68bd07c41f93a4291d3605d5b5ac254340c439e (patch)
tree51f6c0294f6d52465827058413dd0e2aaf66e63e /drivers/s390
parent3c7874758743a857cadbb9eaf42825d75370dacd (diff)
downloadlinux-f68bd07c41f93a4291d3605d5b5ac254340c439e.tar.xz
qeth: fix possible memory leak in qeth_l3_add_[vipa|rxip]()
ipaddr has been allocated in function qeth_l3_add_vipa() but does not free before leaving from the error handling cases. The same problem also exists in function qeth_l3_add_rxip(). spatch with a semantic match is used to found this problem. (http://coccinelle.lip6.fr/) Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/s390')
-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 c5f03fa70fba..4cd310cb5bdf 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -794,6 +794,7 @@ int qeth_l3_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto,
rc = -EEXIST;
spin_unlock_irqrestore(&card->ip_lock, flags);
if (rc) {
+ kfree(ipaddr);
return rc;
}
if (!qeth_l3_add_ip(card, ipaddr))
@@ -858,6 +859,7 @@ int qeth_l3_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto,
rc = -EEXIST;
spin_unlock_irqrestore(&card->ip_lock, flags);
if (rc) {
+ kfree(ipaddr);
return rc;
}
if (!qeth_l3_add_ip(card, ipaddr))