9p: potential ERR_PTR() dereference

p9_client_walk() can return error values if we run out of space or there
is a problem with the network.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
This commit is contained in:
Dan Carpenter 2010-08-04 16:27:45 +00:00 committed by Eric Van Hensbergen
parent 2bfc96a127
commit 8f587df479

View File

@ -242,7 +242,8 @@ struct p9_fid *v9fs_fid_lookup(struct dentry *dentry)
}
kfree(wnames);
fid_out:
v9fs_fid_add(dentry, fid);
if (!IS_ERR(fid))
v9fs_fid_add(dentry, fid);
err_out:
up_read(&v9ses->rename_sem);
return fid;