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tipc: fix memory leak in tipc_nl_compat_publ_dump

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There is a memory leak in case genlmsg_put fails.

Fix this by freeing *args* before return.

Addresses-Coverity-ID: 1476406 ("Resource leak")
Fixes: 46273cf7e0 ("tipc: fix a missing check of genlmsg_put")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Gustavo A. R. Silva 2019-01-05 10:52:23 -06:00 committed by David S. Miller
parent a29c3c09ba
commit f87d8ad923
1 changed files with 3 additions and 1 deletions
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4
net/tipc/netlink_compat.c
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@ -904,8 +904,10 @@ static int tipc_nl_compat_publ_dump(struct tipc_nl_compat_msg *msg, u32 sock)
hdr = genlmsg_put(args, 0, 0, &tipc_genl_family, NLM_F_MULTI,
TIPC_NL_PUBL_GET);
if (!hdr)
if (!hdr) {
kfree_skb(args);
return -EMSGSIZE;
}
nest = nla_nest_start(args, TIPC_NLA_SOCK);
if (!nest) {