aboutsummaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/video/efifb.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/video/efifb.c b/drivers/video/efifb.c
index 0c5b9a9fd56..8dea2bc9270 100644
--- a/drivers/video/efifb.c
+++ b/drivers/video/efifb.c
@@ -210,12 +210,15 @@ static int __init efifb_probe(struct platform_device *dev)
unsigned int size_total;
int request_succeeded = 0;
- printk(KERN_INFO "efifb: probing for efifb\n");
-
if (!screen_info.lfb_depth)
screen_info.lfb_depth = 32;
if (!screen_info.pages)
screen_info.pages = 1;
+ if (!screen_info.lfb_base) {
+ printk(KERN_DEBUG "efifb: invalid framebuffer address\n");
+ return -ENODEV;
+ }
+ printk(KERN_INFO "efifb: probing for efifb\n");
/* just assume they're all unset if any are */
if (!screen_info.blue_size) {