diff options
| -rw-r--r-- | drivers/video/fbmem.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index 46ee5e5..5aac00e 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -1573,15 +1573,15 @@ static int do_register_framebuffer(struct fb_info *fb_info) struct fb_event event; struct fb_videomode mode; - if (num_registered_fb == FB_MAX) - return -ENXIO; - if (fb_check_foreignness(fb_info)) return -ENOSYS; do_remove_conflicting_framebuffers(fb_info->apertures, fb_info->fix.id, fb_is_primary_device(fb_info)); + if (num_registered_fb == FB_MAX) + return -ENXIO; + num_registered_fb++; for (i = 0 ; i < FB_MAX; i++) if (!registered_fb[i]) @@ -1639,7 +1639,7 @@ static int do_unregister_framebuffer(struct fb_info *fb_info) int i, ret = 0; i = fb_info->node; - if (!registered_fb[i]) + if (i < 0 || i >= FB_MAX || registered_fb[i] != fb_info) return -EINVAL; if (!lock_fb_info(fb_info)) |