Merge branch 'core/urgent' into core/rcu

Merge reason: new patches to be queued up depend on:

   ef631b0: rcu: Make hierarchical RCU less IPI-happy

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 14 insertions, 10 deletions

diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index 1657b9608b0..471a9a60376 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -2263,9 +2263,12 @@ static void fbcon_generic_blank(struct vc_data *vc, struct fb_info *info,
 	}
 
 
+	if (!lock_fb_info(info))
+		return;
 	event.info = info;
 	event.data = ␣
 	fb_notifier_call_chain(FB_EVENT_CONBLANK, &event);
+	unlock_fb_info(info);
 }
 
 static int fbcon_blank(struct vc_data *vc, int blank, int mode_switch)
@@ -2954,8 +2957,9 @@ static int fbcon_fb_unbind(int idx)
 
 static int fbcon_fb_unregistered(struct fb_info *info)
 {
-	int i, idx = info->node;
+	int i, idx;
 
+	idx = info->node;
 	for (i = first_fb_vc; i <= last_fb_vc; i++) {
 		if (con2fb_map[i] == idx)
 			con2fb_map[i] = -1;
@@ -2979,13 +2983,12 @@ static int fbcon_fb_unregistered(struct fb_info *info)
 		}
 	}
 
-	if (!num_registered_fb)
-		unregister_con_driver(&fb_con);
-
-
 	if (primary_device == idx)
 		primary_device = -1;
 
+	if (!num_registered_fb)
+		unregister_con_driver(&fb_con);
+
 	return 0;
 }
 
@@ -3021,8 +3024,9 @@ static inline void fbcon_select_primary(struct fb_info *info)
 
 static int fbcon_fb_registered(struct fb_info *info)
 {
-	int ret = 0, i, idx = info->node;
+	int ret = 0, i, idx;
 
+	idx = info->node;
 	fbcon_select_primary(info);
 
 	if (info_idx == -1) {
@@ -3124,7 +3128,7 @@ static void fbcon_get_requirement(struct fb_info *info,
 	}
 }
 
-static int fbcon_event_notify(struct notifier_block *self, 
+static int fbcon_event_notify(struct notifier_block *self,
 			      unsigned long action, void *data)
 {
 	struct fb_event *event = data;
@@ -3132,7 +3136,7 @@ static int fbcon_event_notify(struct notifier_block *self,
 	struct fb_videomode *mode;
 	struct fb_con2fbmap *con2fb;
 	struct fb_blit_caps *caps;
-	int ret = 0;
+	int idx, ret = 0;
 
 	/*
 	 * ignore all events except driver registration and deregistration
@@ -3160,7 +3164,8 @@ static int fbcon_event_notify(struct notifier_block *self,
 		ret = fbcon_mode_deleted(info, mode);
 		break;
 	case FB_EVENT_FB_UNBIND:
-		ret = fbcon_fb_unbind(info->node);
+		idx = info->node;
+		ret = fbcon_fb_unbind(idx);
 		break;
 	case FB_EVENT_FB_REGISTERED:
 		ret = fbcon_fb_registered(info);
@@ -3188,7 +3193,6 @@ static int fbcon_event_notify(struct notifier_block *self,
 		fbcon_get_requirement(info, caps);
 		break;
 	}
-
 done:
 	return ret;
 }