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-rw-r--r--fs/dcache.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/fs/dcache.c b/fs/dcache.c
index 653f64c..139e5fd 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -325,10 +325,13 @@ static struct dentry * __d_find_alias(struct inode *inode, int want_discon)
struct dentry * d_find_alias(struct inode *inode)
{
- struct dentry *de;
- spin_lock(&dcache_lock);
- de = __d_find_alias(inode, 0);
- spin_unlock(&dcache_lock);
+ struct dentry *de = NULL;
+
+ if (!list_empty(&inode->i_dentry)) {
+ spin_lock(&dcache_lock);
+ de = __d_find_alias(inode, 0);
+ spin_unlock(&dcache_lock);
+ }
return de;
}
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