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-rw-r--r--fs/quota/quota.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/quota/quota.c b/fs/quota/quota.c
index cfc78826da90..4669e7e639bd 100644
--- a/fs/quota/quota.c
+++ b/fs/quota/quota.c
@@ -59,6 +59,8 @@ static int quota_sync_all(int type)
spin_lock(&sb_lock);
restart:
list_for_each_entry(sb, &super_blocks, s_list) {
+ if (list_empty(&sb->s_instances))
+ continue;
if (!sb->s_qcop || !sb->s_qcop->quota_sync)
continue;