diff options
| author | Philipp Reisner <philipp.reisner@linbit.com> | 2009-10-13 11:28:16 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-10-22 15:11:56 -0700 |
| commit | 060425ef1d42f59b9b3faed31406e9e59c7464a0 (patch) | |
| tree | 25f6c2c4c0dd75307f0a9a7b7d1d491b05ddcafa | |
| parent | e1a7338bc0da30633357c84be4df222a1bdbfd99 (diff) | |
dst/connector: Disallow unpliviged users to configure dst
(cherry picked from commit dbbb3431228784612848a1ec6061c78b4b708b5c)
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -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 32f102d5c21b..5546898dbdb4 100644 --- a/drivers/staging/dst/dcore.c +++ b/drivers/staging/dst/dcore.c @@ -854,6 +854,11 @@ 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; |