dm: core: Support writing a property to an empty node
At present this does not work with livetree. Fix it and add a test.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/core/of_access.c b/drivers/core/of_access.c
index de63271..8631e1c 100644
--- a/drivers/core/of_access.c
+++ b/drivers/core/of_access.c
@@ -947,9 +947,6 @@
pp_last = pp;
}
- if (!pp_last)
- return -ENOENT;
-
/* Property does not exist -> append new property */
new = malloc(sizeof(struct property));
if (!new)
@@ -965,7 +962,10 @@
new->length = len;
new->next = NULL;
- pp_last->next = new;
+ if (pp_last)
+ pp_last->next = new;
+ else
+ np->properties = new;
return 0;
}
diff --git a/test/dm/ofnode.c b/test/dm/ofnode.c
index 543dc54..0f65ff9 100644
--- a/test/dm/ofnode.c
+++ b/test/dm/ofnode.c
@@ -672,6 +672,9 @@
malloc_disable_testing();
}
+ /* write to the empty node */
+ ut_assertok(ofnode_write_string(subnode, "example", "text"));
+
return 0;
}
DM_TEST(dm_test_ofnode_add_subnode,