uvesafb/connector: Disallow unpliviged users to send netlink packets

[pandora-kernel.git] / drivers / video / uvesafb.c

diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c
index e98baf6..e35232a 100644 (file)
--- a/drivers/video/uvesafb.c
+++ b/drivers/video/uvesafb.c
@@ -67,11 +67,14 @@ static DEFINE_MUTEX(uvfb_lock);
  * find the kernel part of the task struct, copy the registers and
  * the buffer contents and then complete the task.
  */
-static void uvesafb_cn_callback(struct cn_msg *msg)
+static void uvesafb_cn_callback(struct cn_msg *msg, struct netlink_skb_parms *nsp)
 {
        struct uvesafb_task *utask;
        struct uvesafb_ktask *task;
 
+       if (!cap_raised(nsp->eff_cap, CAP_SYS_ADMIN))
+               return;
+
        if (msg->seq >= UVESAFB_TASKS_MAX)
                return;