pohmelfs/connector: Disallow unpliviged users to configure pohmelfs

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/staging/pohmelfs/config.c b/drivers/staging/pohmelfs/config.c
index c9162b3f0bf3..5d04bf5b021a 100644
--- a/drivers/staging/pohmelfs/config.c
+++ b/drivers/staging/pohmelfs/config.c
@@ -531,6 +531,9 @@ static void pohmelfs_cn_callback(struct cn_msg *msg, struct netlink_skb_parms *n
 {
         int err;
 
+        if (!cap_raised(nsp->eff_cap, CAP_SYS_ADMIN))
+                return;
+
         switch (msg->flags) {
                 case POHMELFS_FLAGS_ADD:
                 case POHMELFS_FLAGS_DEL: