[PATCH] lib/test_kho: Check if KHO is enabled

Pasha Tatashin
2025-11-06T22:06:41Z

We must check whether KHO is enabled prior to issuing KHO commands,
otherwise KHO internal data structures are not initialized.

Fixes: b753522bed0b ("kho: add test for kexec handover")

Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202511061629.e242724-lkp@intel.com

Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com>
---
lib/test_kho.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/lib/test_kho.c b/lib/test_kho.c
index 025ea251a186..85b60d87a50a 100644
--- a/lib/test_kho.c
+++ b/lib/test_kho.c
@@ -315,6 +315,9 @@ static int __init kho_test_init(void)
phys_addr_t fdt_phys;
int err;

+ if (!kho_is_enabled())
+ return 0;
+
err = kho_retrieve_subtree(KHO_TEST_FDT, &fdt_phys);
if (!err)
return kho_test_restore(fdt_phys);
--
2.51.2.1041.gc1ab5b90ca-goog