Messages in this thread Patch in this message |  | | | From | Philipp Reisner <> | | Subject | [PATCH 5/7] dst/connector: Disallow unpliviged users to configure dst | | Date | Tue, 13 Oct 2009 11:28:16 +0200 |
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Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> (cherry picked from commit dbbb3431228784612848a1ec6061c78b4b708b5c) --- 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 32f102d..5546898 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; -- 1.6.0.4
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