Commit 46273cf7 authored by Kangjie Lu's avatar Kangjie Lu Committed by David S. Miller

tipc: fix a missing check of genlmsg_put

genlmsg_put could fail. The fix inserts a check of its return value, and
if it fails, returns -EMSGSIZE.
Signed-off-by: default avatarKangjie Lu <kjlu@umn.edu>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ff07d48d
...@@ -904,6 +904,8 @@ static int tipc_nl_compat_publ_dump(struct tipc_nl_compat_msg *msg, u32 sock) ...@@ -904,6 +904,8 @@ 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, hdr = genlmsg_put(args, 0, 0, &tipc_genl_family, NLM_F_MULTI,
TIPC_NL_PUBL_GET); TIPC_NL_PUBL_GET);
if (!hdr)
return -EMSGSIZE;
nest = nla_nest_start(args, TIPC_NLA_SOCK); nest = nla_nest_start(args, TIPC_NLA_SOCK);
if (!nest) { if (!nest) {
......
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