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| author | Geliang Tang <geliang.tang@suse.com> | 2022-03-07 12:44:39 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-03-08 22:06:12 -0800 |
| commit | 0dc626e5e853a966dfbb6ee6cd607e13a2acd5ae (patch) | |
| tree | eb14f91635bc38a1f4ec50ea5e02ad569178654d /net/mptcp | |
| parent | 69c6ce7b6ecad8ed6c1b785bfadf50159d9f1023 (diff) | |
| download | linux-stable-0dc626e5e853a966dfbb6ee6cd607e13a2acd5ae.tar.gz linux-stable-0dc626e5e853a966dfbb6ee6cd607e13a2acd5ae.tar.bz2 linux-stable-0dc626e5e853a966dfbb6ee6cd607e13a2acd5ae.zip | |
mptcp: add fullmesh flag check for adding address
The fullmesh flag mustn't be used with the signal flag when adding an
address. This patch added the necessary flags check for this case.
Fixes: 73c762c1f07d ("mptcp: set fullmesh flag in pm_netlink")
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/mptcp')
| -rw-r--r-- | net/mptcp/pm_netlink.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index e090810bb35d..800515fe5e1d 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -1264,6 +1264,12 @@ static int mptcp_nl_cmd_add_addr(struct sk_buff *skb, struct genl_info *info) return -EINVAL; } + if (addr.flags & MPTCP_PM_ADDR_FLAG_SIGNAL && + addr.flags & MPTCP_PM_ADDR_FLAG_FULLMESH) { + GENL_SET_ERR_MSG(info, "flags mustn't have both signal and fullmesh"); + return -EINVAL; + } + if (addr.flags & MPTCP_PM_ADDR_FLAG_IMPLICIT) { GENL_SET_ERR_MSG(info, "can't create IMPLICIT endpoint"); return -EINVAL; |