dt: allow add_subnode to create root subnodes
Our subnode creation helper can't handle creation of root subnodes,
like "/memory". Fix this by allowing the parent node to be an empty
string, indicating the root node.
Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@petalogix.com>
diff --git a/device_tree.c b/device_tree.c
index 86a694c..94a239e 100644
--- a/device_tree.c
+++ b/device_tree.c
@@ -151,6 +151,7 @@
char *dupname = g_strdup(name);
char *basename = strrchr(dupname, '/');
int retval;
+ int parent = 0;
if (!basename) {
g_free(dupname);
@@ -160,7 +161,11 @@
basename[0] = '\0';
basename++;
- retval = fdt_add_subnode(fdt, findnode_nofail(fdt, dupname), basename);
+ if (dupname[0]) {
+ parent = findnode_nofail(fdt, dupname);
+ }
+
+ retval = fdt_add_subnode(fdt, parent, basename);
if (retval < 0) {
fprintf(stderr, "FDT: Failed to create subnode %s: %s\n", name,
fdt_strerror(retval));
