/* Allocate memory for the expanded device tree */
mem = (unsigned long)
dt_alloc(size + 4, __alignof__(struct device_node));
+ if (!mem)
+ return;
+
+ memset((void *)mem, 0, size);
((__be32 *)mem)[size / 4] = cpu_to_be32(0xdeadbeef);
if (p != NULL && l > 0)
strlcpy(data, p, min((int)l, COMMAND_LINE_SIZE));
+ /*
+ * CONFIG_CMDLINE is meant to be a default in case nothing else
+ * managed to set the command line, unless CONFIG_CMDLINE_FORCE
+ * is set in which case we override whatever was found earlier.
+ */
#ifdef CONFIG_CMDLINE
#ifndef CONFIG_CMDLINE_FORCE
- if (p == NULL || l == 0 || (l == 1 && (*p) == 0))
+ if (!((char *)data)[0])
#endif
strlcpy(data, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
#endif /* CONFIG_CMDLINE */
__unflatten_device_tree(initial_boot_params, &allnodes,
early_init_dt_alloc_memory_arch);
- /* Get pointer to OF "/chosen" node for use everywhere */
- of_chosen = of_find_node_by_path("/chosen");
- if (of_chosen == NULL)
- of_chosen = of_find_node_by_path("/chosen@0");
+ /* Get pointer to "/chosen" and "/aliasas" nodes for use everywhere */
+ of_alias_scan(early_init_dt_alloc_memory_arch);
}
#endif /* CONFIG_OF_EARLY_FLATTREE */