On 10/24/19 12:26 PM, Lakshmi Ramasubramanian wrote:
On 10/23/2019 8:47 PM, Nayna Jain wrote:
This patch defines a function to detect the secure boot state of a
PowerNV system.
+bool is_ppc_secureboot_enabled(void)
+{
+ struct device_node *node;
+ bool enabled = false;
+
+ node = of_find_compatible_node(NULL, NULL, "ibm,secvar-v1");
+ if (!of_device_is_available(node)) {
+ pr_err("Cannot find secure variable node in device tree;
failing to secure state\n");
+ goto out;
Related to "goto out;" above:
Would of_find_compatible_node return NULL if the given node is not found?
If of_device_is_available returns false (say, because node is NULL or
it does not find the specified node) would it be correct to call
of_node_put?
of_node_put() handles NULL.
Thanks & Regards,
- Nayna
