X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=kernel%2Fpadata.c;h=401227e3967c8188ef54a813c1f1769124a2c8ec;hb=5aa4dbed7c0f0401f51779a66edf838103582bf3;hp=b38bea9c466a012a9bc04423af25a5c7d04be34d;hpb=e93df634aac6b6dccaa2c23a5a5a504ed502b97e;p=firefly-linux-kernel-4.4.55.git

diff --git a/kernel/padata.c b/kernel/padata.c
index b38bea9c466a..401227e3967c 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -189,19 +189,20 @@ static struct padata_priv *padata_get_next(struct parallel_data *pd)
 
 	reorder = &next_queue->reorder;
 
+	spin_lock(&reorder->lock);
 	if (!list_empty(&reorder->list)) {
 		padata = list_entry(reorder->list.next,
 				    struct padata_priv, list);
 
-		spin_lock(&reorder->lock);
 		list_del_init(&padata->list);
 		atomic_dec(&pd->reorder_objects);
-		spin_unlock(&reorder->lock);
 
 		pd->processed++;
 
+		spin_unlock(&reorder->lock);
 		goto out;
 	}
+	spin_unlock(&reorder->lock);
 
 	if (__this_cpu_read(pd->pqueue->cpu_index) == next_queue->cpu_index) {
 		padata = ERR_PTR(-ENODATA);