The to_software_mode() macro can potentially return NULL, so also add
a NULL check on swnode before dereferencing it to avoid any NULL
pointer dereferences.
Detected by CoverityScan, CID#
1476052 ("Explicit null dereferenced")
Fixes: 59abd83672f7 (drivers: base: Introducing software nodes to the firmware node framework)
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
{
struct software_node *swnode = to_software_node(fwnode);
- return swnode->parent ? &swnode->parent->fwnode : NULL;
+ return swnode ? (swnode->parent ? &swnode->parent->fwnode : NULL) :
+ NULL;
}
struct fwnode_handle *