dentry->d_iname is currently uninitialized for long file names. Init
it to null string to avoid bad behaviors on careless references to it.
Signed-off-by: Wu Fengguang <wfg@xxxxxxxxxxxxxxx>
---
diff --git a/fs/dcache.c b/fs/dcache.c
index a1d86c7..29d1768 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -929,6 +929,7 @@ struct dentry *d_alloc(struct dentry * parent, const struct qstr *name)
kmem_cache_free(dentry_cache, dentry);
return NULL;
}
+ dentry->d_iname[0] = '\0';
} else {
dname = dentry->d_iname;
}
--
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