diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-04-25 09:42:42 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-04-25 09:42:42 +0100 |
| commit | a126f7c41d80322b42ae0383ed3dcb17ee0296fc (patch) | |
| tree | 67f3605e72e01f7ec0b15af22d9d7b6ef8598b55 /drivers/connector/cn_proc.c | |
| parent | 0098fc39e6d575f940487f09f303787efbc7a373 (diff) | |
| parent | a7eb7c6f9a657a01a8359edae31bbeacd18b072c (diff) | |
Merge branch 'mcpm' of git://git.linaro.org/people/nico/linux into devel-stable
Diffstat (limited to 'drivers/connector/cn_proc.c')
| -rw-r--r-- | drivers/connector/cn_proc.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/connector/cn_proc.c b/drivers/connector/cn_proc.c index fce2000eec31..1110478dd0fd 100644 --- a/drivers/connector/cn_proc.c +++ b/drivers/connector/cn_proc.c @@ -313,6 +313,12 @@ static void cn_proc_mcast_ctl(struct cn_msg *msg, (task_active_pid_ns(current) != &init_pid_ns)) return; + /* Can only change if privileged. */ + if (!capable(CAP_NET_ADMIN)) { + err = EPERM; + goto out; + } + mc_op = (enum proc_cn_mcast_op *)msg->data; switch (*mc_op) { case PROC_CN_MCAST_LISTEN: @@ -325,6 +331,8 @@ static void cn_proc_mcast_ctl(struct cn_msg *msg, err = EINVAL; break; } + +out: cn_proc_ack(err, msg->seq, msg->ack); } |