summaryrefslogtreecommitdiffstats
path: root/drivers/video/fbmem.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/video/fbmem.c')
-rw-r--r--drivers/video/fbmem.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 46ee5e5a08c6..5aac00eb1830 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))
OpenPOWER on IntegriCloud