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-rw-r--r--mm/pdflush.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/mm/pdflush.c b/mm/pdflush.c
index df7e50b8f70c..b02102feeb4b 100644
--- a/mm/pdflush.c
+++ b/mm/pdflush.c
@@ -104,21 +104,20 @@ static int __pdflush(struct pdflush_work *my_work)
104 list_move(&my_work->list, &pdflush_list); 104 list_move(&my_work->list, &pdflush_list);
105 my_work->when_i_went_to_sleep = jiffies; 105 my_work->when_i_went_to_sleep = jiffies;
106 spin_unlock_irq(&pdflush_lock); 106 spin_unlock_irq(&pdflush_lock);
107
108 schedule(); 107 schedule();
109 if (try_to_freeze()) { 108 try_to_freeze();
110 spin_lock_irq(&pdflush_lock);
111 continue;
112 }
113
114 spin_lock_irq(&pdflush_lock); 109 spin_lock_irq(&pdflush_lock);
115 if (!list_empty(&my_work->list)) { 110 if (!list_empty(&my_work->list)) {
116 printk("pdflush: bogus wakeup!\n"); 111 /*
112 * Someone woke us up, but without removing our control
113 * structure from the global list. swsusp will do this
114 * in try_to_freeze()->refrigerator(). Handle it.
115 */
117 my_work->fn = NULL; 116 my_work->fn = NULL;
118 continue; 117 continue;
119 } 118 }
120 if (my_work->fn == NULL) { 119 if (my_work->fn == NULL) {
121 printk("pdflush: NULL work function\n"); 120 printk("pdflush: bogus wakeup\n");
122 continue; 121 continue;
123 } 122 }
124 spin_unlock_irq(&pdflush_lock); 123 spin_unlock_irq(&pdflush_lock);