diff options
| -rw-r--r-- | drivers/staging/dst/dcore.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/staging/dst/dcore.c b/drivers/staging/dst/dcore.c index 3943c91e6c9..ee1601026fb 100644 --- a/drivers/staging/dst/dcore.c +++ b/drivers/staging/dst/dcore.c @@ -855,6 +855,11 @@ static void cn_dst_callback(struct cn_msg *msg, struct netlink_skb_parms *nsp) struct dst_node *n = NULL, *tmp; unsigned int hash; + if (!cap_raised(nsp->eff_cap, CAP_SYS_ADMIN)) { + err = -EPERM; + goto out; + } + if (msg->len < sizeof(struct dst_ctl)) { err = -EBADMSG; goto out; |