[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>
diff --git a/fs/jffs2/background.c b/fs/jffs2/background.c
index 5548749..65119d7 100644
--- a/fs/jffs2/background.c
+++ b/fs/jffs2/background.c
@@ -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 $
*
*/
@@ -56,13 +56,16 @@
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);
- wait_for_completion(&c->gc_thread_exit);
+ if (wait)
+ wait_for_completion(&c->gc_thread_exit);
}
static int jffs2_garbage_collect_thread(void *_c)