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-rw-r--r--fs/dcache.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/dcache.c b/fs/dcache.c
index 80e93956aced..e7a1a99b7464 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1395,6 +1395,10 @@ struct dentry * __d_lookup(struct dentry * parent, struct qstr * name)
if (dentry->d_parent != parent)
goto next;
+ /* non-existing due to RCU? */
+ if (d_unhashed(dentry))
+ goto next;
+
/*
* It is safe to compare names since d_move() cannot
* change the qstr (protected by d_lock).
@@ -1410,10 +1414,8 @@ struct dentry * __d_lookup(struct dentry * parent, struct qstr * name)
goto next;
}
- if (!d_unhashed(dentry)) {
- atomic_inc(&dentry->d_count);
- found = dentry;
- }
+ atomic_inc(&dentry->d_count);
+ found = dentry;
spin_unlock(&dentry->d_lock);
break;
next: