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macsec: add missing NULL check after kmalloc 

Fixes: c09440f7dc ("macsec: introduce IEEE 802.1AE driver")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sabrina Dubroca 2016-04-22 11:28:01 +02:00 committed by David S. Miller
parent 3d05a06d31
commit 72f2a05b8f
1 changed files with 2 additions and 2 deletions
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4
drivers/net/macsec.c
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@ -1622,8 +1622,8 @@ static int macsec_add_rxsa(struct sk_buff *skb, struct genl_info *info)
}
rx_sa = kmalloc(sizeof(*rx_sa), GFP_KERNEL);
if (init_rx_sa(rx_sa, nla_data(tb_sa[MACSEC_SA_ATTR_KEY]), secy->key_len,
secy->icv_len)) {
if (!rx_sa || init_rx_sa(rx_sa, nla_data(tb_sa[MACSEC_SA_ATTR_KEY]),
secy->key_len, secy->icv_len)) {
rtnl_unlock();
return -ENOMEM;
}