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authorArun Kumar Neelakantam <aneela@codeaurora.org>2018-07-04 19:49:32 +0530
committerDavid S. Miller <davem@davemloft.net>2018-07-05 20:20:03 +0900
commitfdf5fd3975666804118e62c69de25dc85cc0909c (patch)
tree4a849a70c8d014520efa5373590e816a0a2b46ad /net/qrtr
parenta9ba23d48dbc6ffd08426bb10f05720e0b9f5c14 (diff)
downloadlinux-stericsson-fdf5fd3975666804118e62c69de25dc85cc0909c.tar.gz
net: qrtr: Broadcast messages only from control port
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>
Diffstat (limited to 'net/qrtr')
-rw-r--r--net/qrtr/qrtr.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c
index 2aa07b547b16..7ffc9a3a7dd4 100644
--- a/net/qrtr/qrtr.c
+++ b/net/qrtr/qrtr.c
@@ -764,6 +764,10 @@ 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 {