csr1212: add check for !valid
Don't read the keyval if there's already a valid one in place. May not be
necessary but shouldn't hurt.
Signed-off-by: Jody McIntyre <scjdy@steamballoon.com>
diff --git a/drivers/ieee1394/csr1212.c b/drivers/ieee1394/csr1212.c
index 4812d59..1577354 100644
--- a/drivers/ieee1394/csr1212.c
+++ b/drivers/ieee1394/csr1212.c
@@ -1618,7 +1618,8 @@
* and make cache regions for them */
for (dentry = csr->root_kv->value.directory.dentries_head;
dentry; dentry = dentry->next) {
- if (dentry->kv->key.id == CSR1212_KV_ID_EXTENDED_ROM) {
+ if (dentry->kv->key.id == CSR1212_KV_ID_EXTENDED_ROM &&
+ !dentry->kv->valid) {
ret = _csr1212_read_keyval(csr, dentry->kv);
if (ret != CSR1212_SUCCESS)
return ret;