6.17-stable review patch. If anyone has any objections, please let me know.
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From: Pasha Tatashin pasha.tatashin@soleen.com
commit a26ec8f3d4e56d4a7ffa301e8032dca9df0bbc05 upstream.
We must check whether KHO is enabled prior to issuing KHO commands, otherwise KHO internal data structures are not initialized.
Link: https://lkml.kernel.org/r/20251106220635.2608494-1-pasha.tatashin@soleen.com Fixes: b753522bed0b ("kho: add test for kexec handover") Signed-off-by: Pasha Tatashin pasha.tatashin@soleen.com Reported-by: kernel test robot oliver.sang@intel.com Closes: https://lore.kernel.org/oe-lkp/202511061629.e242724-lkp@intel.com Reviewed-by: Pratyush Yadav pratyush@kernel.org Reviewed-by: Mike Rapoport (Microsoft) rppt@kernel.org Cc: Alexander Graf graf@amazon.com Cc: stable@vger.kernel.org Signed-off-by: Andrew Morton akpm@linux-foundation.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- lib/test_kho.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/lib/test_kho.c +++ b/lib/test_kho.c @@ -272,6 +272,9 @@ 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);