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authorPhilipp Reisner <philipp.reisner@linbit.com>2009-10-02 02:40:08 +0000
committerDavid S. Miller <davem@davemloft.net>2009-10-02 10:54:10 -0700
commit24836479a126e02be691e073c2b6cad7e7ab836a (patch)
tree103d866a64b43f21bcf05baec542bac0aa6a221e /drivers/md/dm-log-userspace-transfer.c
parentf1489cfb173509a3c13444b46b6c989bad4f5b16 (diff)
dm/connector: Only process connector packages from privileged processes
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/md/dm-log-userspace-transfer.c')
-rw-r--r--drivers/md/dm-log-userspace-transfer.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/md/dm-log-userspace-transfer.c b/drivers/md/dm-log-userspace-transfer.c
index 1327e1a684d..54abf9e303b 100644
--- a/drivers/md/dm-log-userspace-transfer.c
+++ b/drivers/md/dm-log-userspace-transfer.c
@@ -133,6 +133,9 @@ static void cn_ulog_callback(struct cn_msg *msg, struct netlink_skb_parms *nsp)
{
struct dm_ulog_request *tfr = (struct dm_ulog_request *)(msg + 1);
+ if (!cap_raised(nsp->eff_cap, CAP_SYS_ADMIN))
+ return;
+
spin_lock(&receiving_list_lock);
if (msg->len == 0)
fill_pkg(msg, NULL);