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| author | Arun Kumar Neelakantam <aneela@codeaurora.org> | 2018-07-04 19:49:32 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-08-24 13:09:13 +0200 |
| commit | 5860ae76e018bddbda89b98da4a12e7ae20b38cd (patch) | |
| tree | c98a321a751d28829cbe4770dd8bf17d0e1d51a0 | |
| parent | 8e39e96f23d8fe5a6114e43ff80e5852ab11e3c9 (diff) | |
| download | linux-5860ae76e018bddbda89b98da4a12e7ae20b38cd.tar.gz | |
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>
| -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 78418f38464a4..084adea6a8188 100644 --- a/net/qrtr/qrtr.c +++ b/net/qrtr/qrtr.c @@ -710,6 +710,10 @@ 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 { |