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team: fix memory leaks

Browse Source 
In functions team_nl_send_port_list_get() and
team_nl_send_options_get(), pointer skb keeps the return value of
nlmsg_new(). When the call to genlmsg_put() fails, the memory is not
freed(). This will result in memory leak bugs.

Fixes: 9b00cf2d10 ("team: implement multipart netlink messages for options transfers")
Signed-off-by: Pan Bian <bianpan2016@163.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pan Bian 2017-04-24 18:29:16 +08:00 committed by David S. Miller
parent fccb4422d0
commit 72ec0bc64b
1 changed files with 6 additions and 2 deletions
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8
drivers/net/team/team.c
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@ -2361,8 +2361,10 @@ start_again:
hdr = genlmsg_put(skb, portid, seq, &team_nl_family, flags | NLM_F_MULTI,
TEAM_CMD_OPTIONS_GET);
if (!hdr)
if (!hdr) {
nlmsg_free(skb);
return -EMSGSIZE;
}
if (nla_put_u32(skb, TEAM_ATTR_TEAM_IFINDEX, team->dev->ifindex))
goto nla_put_failure;
@ -2634,8 +2636,10 @@ start_again:
hdr = genlmsg_put(skb, portid, seq, &team_nl_family, flags | NLM_F_MULTI,
TEAM_CMD_PORT_LIST_GET);
if (!hdr)
if (!hdr) {
nlmsg_free(skb);
return -EMSGSIZE;
}
if (nla_put_u32(skb, TEAM_ATTR_TEAM_IFINDEX, team->dev->ifindex))
goto nla_put_failure;