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9p: fix bug in attach-per-user

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When a new user attached at a directory other than the root, he would end
up in the parent directory of the cwd.  This was due to a logic error in
the code which attaches the user at the mount point and walks back to the
cwd.  This patch fixes that.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
This commit is contained in:
Eric Van Hensbergen 2008-02-06 19:25:08 -06:00
parent e2735b7720
commit c55703d807
1 changed files with 2 additions and 2 deletions
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4
fs/9p/fid.c
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@ -175,7 +175,7 @@ struct p9_fid *v9fs_fid_lookup(struct dentry *dentry)
if (!wnames)
return ERR_PTR(-ENOMEM);
for (d = dentry, i = n; i >= 0; i--, d = d->d_parent)
for (d = dentry, i = (n-1); i >= 0; i--, d = d->d_parent)
wnames[i] = (char *) d->d_name.name;
clone = 1;
@ -183,7 +183,7 @@ struct p9_fid *v9fs_fid_lookup(struct dentry *dentry)
while (i < n) {
l = min(n - i, P9_MAXWELEM);
fid = p9_client_walk(fid, l, &wnames[i], clone);
if (!fid) {
if (IS_ERR(fid)) {
kfree(wnames);
return fid;
}