diff options
Diffstat (limited to 'drivers/video/uvesafb.c')
-rw-r--r-- | drivers/video/uvesafb.c | 33 |
1 files changed, 4 insertions, 29 deletions
diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c index e98baf6916b..54fbb2995a5 100644 --- 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; @@ -1408,23 +1411,6 @@ static int uvesafb_check_var(struct fb_var_screeninfo *var, return 0; } -static void uvesafb_save_state(struct fb_info *info) -{ - struct uvesafb_par *par = info->par; - - if (par->vbe_state_saved) - kfree(par->vbe_state_saved); - - par->vbe_state_saved = uvesafb_vbe_state_save(par); -} - -static void uvesafb_restore_state(struct fb_info *info) -{ - struct uvesafb_par *par = info->par; - - uvesafb_vbe_state_restore(par, par->vbe_state_saved); -} - static struct fb_ops uvesafb_ops = { .owner = THIS_MODULE, .fb_open = uvesafb_open, @@ -1438,8 +1424,6 @@ static struct fb_ops uvesafb_ops = { .fb_imageblit = cfb_imageblit, .fb_check_var = uvesafb_check_var, .fb_set_par = uvesafb_set_par, - .fb_save_state = uvesafb_save_state, - .fb_restore_state = uvesafb_restore_state, }; static void __devinit uvesafb_init_info(struct fb_info *info, @@ -1456,15 +1440,6 @@ static void __devinit uvesafb_init_info(struct fb_info *info, info->fix.ypanstep = par->ypan ? 1 : 0; info->fix.ywrapstep = (par->ypan > 1) ? 1 : 0; - /* - * If we were unable to get the state buffer size, disable - * functions for saving and restoring the hardware state. - */ - if (par->vbe_state_size == 0) { - info->fbops->fb_save_state = NULL; - info->fbops->fb_restore_state = NULL; - } - /* Disable blanking if the user requested so. */ if (!blank) info->fbops->fb_blank = NULL; |