csr1212: check results of keyval reads

csr1212_parse_csr() did not properly check return values when reading
keyvals.  Fix this by using _csr1212_read_keyval() instead of
csr1212_get_keyval() and checking the return code.

Signed-off-by: Jody McIntyre <scjody@steamballoon.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/ieee1394/csr1212.c b/drivers/ieee1394/csr1212.c
index c0f8ed6fca8a..4812d59e8976 100644
--- a/drivers/ieee1394/csr1212.c
+++ b/drivers/ieee1394/csr1212.c
@@ -1610,15 +1610,16 @@ int csr1212_parse_csr(struct csr1212_csr *csr)
         csr->root_kv->valid = 0;
         csr->root_kv->next = csr->root_kv;
         csr->root_kv->prev = csr->root_kv;
-        csr1212_get_keyval(csr, csr->root_kv);
+        ret = _csr1212_read_keyval(csr, csr->root_kv);
+        if (ret != CSR1212_SUCCESS)
+                return ret;
 
         /* Scan through the Root directory finding all extended ROM regions
          * 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) {
-                        csr1212_get_keyval(csr, dentry->kv);
-
+                        ret = _csr1212_read_keyval(csr, dentry->kv);
                         if (ret != CSR1212_SUCCESS)
                                 return ret;
                 }