[Bluetooth]: Don't update disconnect timer for incoming connections

[pandora-kernel.git] / drivers / video / fbsysfs.c

diff --git a/drivers/video/fbsysfs.c b/drivers/video/fbsysfs.c
index 4f78f23..c151dcf 100644 (file)
--- a/drivers/video/fbsysfs.c
+++ b/drivers/video/fbsysfs.c
@@ -397,6 +397,12 @@ static ssize_t store_bl_curve(struct class_device *class_device,
        u8 tmp_curve[FB_BACKLIGHT_LEVELS];
        unsigned int i;
 
+       /* Some drivers don't use framebuffer_alloc(), but those also
+        * don't have backlights.
+        */
+       if (!fb_info || !fb_info->bl_dev)
+               return -ENODEV;
+
        if (count != (FB_BACKLIGHT_LEVELS / 8 * 24))
                return -EINVAL;
 
@@ -430,6 +436,12 @@ static ssize_t show_bl_curve(struct class_device *class_device, char *buf)
        ssize_t len = 0;
        unsigned int i;
 
+       /* Some drivers don't use framebuffer_alloc(), but those also
+        * don't have backlights.
+        */
+       if (!fb_info || !fb_info->bl_dev)
+               return -ENODEV;
+
        mutex_lock(&fb_info->bl_mutex);
        for (i = 0; i < FB_BACKLIGHT_LEVELS; i += 8)
                len += snprintf(&buf[len], PAGE_SIZE,