[PATCH] fbdev: Fix crashes in various fbdev's blank routines

[linux-2.6] / drivers / video / aty / aty128fb.c

diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c
index 3e827e04a2aab4de2c3081486ff07ef89dbecea0..106d428b72c90dcd57b6fca1aa418a3ed8b40016 100644 (file)
--- a/drivers/video/aty/aty128fb.c
+++ b/drivers/video/aty/aty128fb.c
@@ -1800,6 +1800,9 @@ static struct backlight_properties aty128_bl_data = {
 
 static void aty128_bl_set_power(struct fb_info *info, int power)
 {
+       if (info->bl_dev == NULL)
+               return;
+
        mutex_lock(&info->bl_mutex);
        up(&info->bl_dev->sem);
        info->bl_dev->props->power = power;
@@ -1828,7 +1831,7 @@ static void aty128_bl_init(struct aty128fb_par *par)
        bd = backlight_device_register(name, par, &aty128_bl_data);
        if (IS_ERR(bd)) {
                info->bl_dev = NULL;
-               printk("aty128: Backlight registration failed\n");
+               printk(KERN_WARNING "aty128: Backlight registration failed\n");
                goto error;
        }