[JFFS2] Fix cleanup in case of GC-Task not started
Do not call wait_for_completion, when the gc task is not there. Prevent an oops when the gc thread was not started. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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@ -7,7 +7,7 @@
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*
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* For licensing information, see the file 'LICENCE' in this directory.
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*
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* $Id: background.c,v 1.52 2005/05/19 16:18:08 gleixner Exp $
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* $Id: background.c,v 1.54 2005/05/20 21:37:12 gleixner Exp $
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*
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*/
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@ -56,13 +56,16 @@ int jffs2_start_garbage_collect_thread(struct jffs2_sb_info *c)
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void jffs2_stop_garbage_collect_thread(struct jffs2_sb_info *c)
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{
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int wait = 0;
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spin_lock(&c->erase_completion_lock);
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if (c->gc_task) {
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D1(printk(KERN_DEBUG "jffs2: Killing GC task %d\n", c->gc_task->pid));
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send_sig(SIGKILL, c->gc_task, 1);
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wait = 1;
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}
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spin_unlock(&c->erase_completion_lock);
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wait_for_completion(&c->gc_thread_exit);
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if (wait)
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wait_for_completion(&c->gc_thread_exit);
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}
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static int jffs2_garbage_collect_thread(void *_c)
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