diff options
Diffstat (limited to 'drivers/video/fbmem.c')
-rw-r--r-- | drivers/video/fbmem.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index 5aac00e..7a41220 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -1651,6 +1651,7 @@ static int do_unregister_framebuffer(struct fb_info *fb_info) if (ret) return -EINVAL; + unlink_framebuffer(fb_info); if (fb_info->pixmap.addr && (fb_info->pixmap.flags & FB_PIXMAP_DEFAULT)) kfree(fb_info->pixmap.addr); @@ -1658,7 +1659,6 @@ static int do_unregister_framebuffer(struct fb_info *fb_info) registered_fb[i] = NULL; num_registered_fb--; fb_cleanup_device(fb_info); - device_destroy(fb_class, MKDEV(FB_MAJOR, i)); event.info = fb_info; fb_notifier_call_chain(FB_EVENT_FB_UNREGISTERED, &event); @@ -1667,6 +1667,22 @@ static int do_unregister_framebuffer(struct fb_info *fb_info) return 0; } +int unlink_framebuffer(struct fb_info *fb_info) +{ + int i; + + i = fb_info->node; + if (i < 0 || i >= FB_MAX || registered_fb[i] != fb_info) + return -EINVAL; + + if (fb_info->dev) { + device_destroy(fb_class, MKDEV(FB_MAJOR, i)); + fb_info->dev = NULL; + } + return 0; +} +EXPORT_SYMBOL(unlink_framebuffer); + void remove_conflicting_framebuffers(struct apertures_struct *a, const char *name, bool primary) { @@ -1738,8 +1754,6 @@ 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); @@ -1748,7 +1762,6 @@ 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); } /** |