diff options
| author | Arun Kumar Neelakantam <aneela@codeaurora.org> | 2018-07-04 19:49:32 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-08-24 13:12:36 +0200 |
| commit | 865c4f9a0c336c1d24d09f1d792e1060b1b6e850 (patch) | |
| tree | 99677f5259ae67e44e83cce0c06f5bff3792a1c2 /net/qrtr | |
| parent | 8823c73bd719e74378dd77bc0d894815d0ef4102 (diff) | |
net: qrtr: Broadcast messages only from control port
[ Upstream commit fdf5fd3975666804118e62c69de25dc85cc0909c ]
The broadcast node id should only be sent with the control port id.
Signed-off-by: Arun Kumar Neelakantam <aneela@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/qrtr')
| -rw-r--r-- | net/qrtr/qrtr.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c index ae5ac175b2be..7b670a9a375e 100644 --- a/net/qrtr/qrtr.c +++ b/net/qrtr/qrtr.c @@ -621,6 +621,10 @@ static int qrtr_sendmsg(struct socket *sock, struct msghdr *msg, size_t len) node = NULL; if (addr->sq_node == QRTR_NODE_BCAST) { enqueue_fn = qrtr_bcast_enqueue; + if (addr->sq_port != QRTR_PORT_CTRL) { + release_sock(sk); + return -ENOTCONN; + } } else if (addr->sq_node == ipc->us.sq_node) { enqueue_fn = qrtr_local_enqueue; } else { |