here's the code
lock_dentry(parent);
bstart = dbstart(parent);
bend = dbend(parent);
wh_dentry = ERR_PTR(-ENOENT);
for (bindex = bstart; bindex <= bend; bindex++) {
hidden_parent = dtohd_index(parent, bindex);
wh_dentry = LOOKUP_ONE_LEN(whname, hidden_parent,
whlen);
hidden_parent can be null! I'm thinking right thing to do is this
patch, perhaps I'm wrong
--- rename.c.bak 2005-11-18 11:49:02.000000000 +0000
+++ rename.c 2005-11-18 11:49:28.000000000 +0000
@@ -802,6 +802,9 @@
wh_dentry = ERR_PTR(-ENOENT);
for (bindex = bstart; bindex <= bend; bindex++) {
hidden_parent = dtohd_index(parent, bindex);
+ if (!hidden_parent) {
+ continue;
+ }
wh_dentry = LOOKUP_ONE_LEN(whname, hidden_parent,
whlen);
if (IS_ERR(wh_dentry))
continue;
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