diff options
Diffstat (limited to 'drivers/video/uvesafb.c')
| -rw-r--r-- | drivers/video/uvesafb.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c index ca5b4643a401..e35232a18571 100644 --- a/drivers/video/uvesafb.c +++ b/drivers/video/uvesafb.c @@ -67,12 +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(void *data) +static void uvesafb_cn_callback(struct cn_msg *msg, struct netlink_skb_parms *nsp) { - struct cn_msg *msg = data; 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; |