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Commit e2d48b1a authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Thomas Gleixner
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[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: default avatarThomas Gleixner <tglx@linutronix.de>
parent fb4a90bf

fs/jffs2/background.c

+5 −2
Original line number Diff line number Diff line
@@ -7,7 +7,7 @@ 
 *

 * For licensing information, see the file 'LICENCE' in this directory.

 *

 * $Id: background.c,v 1.52 2005/05/19 16:18:08 gleixner Exp $

 * $Id: background.c,v 1.54 2005/05/20 21:37:12 gleixner Exp $

 *

 */
@@ -56,12 +56,15 @@ int jffs2_start_garbage_collect_thread(struct jffs2_sb_info *c) 


void jffs2_stop_garbage_collect_thread(struct jffs2_sb_info *c)

{

	int wait = 0;

	spin_lock(&c->erase_completion_lock);

	if (c->gc_task) {

		D1(printk(KERN_DEBUG "jffs2: Killing GC task %d\n", c->gc_task->pid));

		send_sig(SIGKILL, c->gc_task, 1);

		wait = 1;

	}

	spin_unlock(&c->erase_completion_lock);

	if (wait)

		wait_for_completion(&c->gc_thread_exit);

}