pata_netcell: Fix typo
[safe/jmp/linux-2.6] / drivers / video / fbmem.c
index 2ac32e6..d412a1d 100644 (file)
@@ -1097,8 +1097,11 @@ static long do_fb_ioctl(struct fb_info *info, unsigned int cmd,
                        return -EINVAL;
                con2fb.framebuffer = -1;
                event.data = &con2fb;
+               if (!lock_fb_info(info))
+                       return -ENODEV;
                event.info = info;
                fb_notifier_call_chain(FB_EVENT_GET_CONSOLE_MAP, &event);
+               unlock_fb_info(info);
                ret = copy_to_user(argp, &con2fb, sizeof(con2fb)) ? -EFAULT : 0;
                break;
        case FBIOPUT_CON2FBMAP:
@@ -1115,8 +1118,11 @@ static long do_fb_ioctl(struct fb_info *info, unsigned int cmd,
                        break;
                }
                event.data = &con2fb;
+               if (!lock_fb_info(info))
+                       return -ENODEV;
                event.info = info;
                ret = fb_notifier_call_chain(FB_EVENT_SET_CONSOLE_MAP, &event);
+               unlock_fb_info(info);
                break;
        case FBIOBLANK:
                if (!lock_fb_info(info))
@@ -1521,7 +1527,10 @@ register_framebuffer(struct fb_info *fb_info)
        registered_fb[i] = fb_info;
 
        event.info = fb_info;
+       if (!lock_fb_info(fb_info))
+               return -ENODEV;
        fb_notifier_call_chain(FB_EVENT_FB_REGISTERED, &event);
+       unlock_fb_info(fb_info);
        return 0;
 }
 
@@ -1555,8 +1564,12 @@ unregister_framebuffer(struct fb_info *fb_info)
                goto done;
        }
 
+
+       if (!lock_fb_info(fb_info))
+               return -ENODEV;
        event.info = fb_info;
        ret = fb_notifier_call_chain(FB_EVENT_FB_UNBIND, &event);
+       unlock_fb_info(fb_info);
 
        if (ret) {
                ret = -EINVAL;
@@ -1590,6 +1603,8 @@ void fb_set_suspend(struct fb_info *info, int state)
 {
        struct fb_event event;
 
+       if (!lock_fb_info(info))
+               return;
        event.info = info;
        if (state) {
                fb_notifier_call_chain(FB_EVENT_SUSPEND, &event);
@@ -1598,6 +1613,7 @@ void fb_set_suspend(struct fb_info *info, int state)
                info->state = FBINFO_STATE_RUNNING;
                fb_notifier_call_chain(FB_EVENT_RESUME, &event);
        }
+       unlock_fb_info(info);
 }
 
 /**
@@ -1667,8 +1683,11 @@ int fb_new_modelist(struct fb_info *info)
        err = 1;
 
        if (!list_empty(&info->modelist)) {
+               if (!lock_fb_info(info))
+                       return -ENODEV;
                event.info = info;
                err = fb_notifier_call_chain(FB_EVENT_NEW_MODELIST, &event);
+               unlock_fb_info(info);
        }
 
        return err;