Commit 412a32f0 authored Jan 21, 2026 by Andrew Morton

kho: kho_preserve_vmalloc(): don't return 0 when ENOMEM



kho_preserve_vmalloc() should return -ENOMEM when new_vmalloc_chunk()
fails.

Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/202601211636.IRaejjdw-lkp@intel.com/


Reviewed-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Cc: Alexander Graf <graf@amazon.com>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: Pasha Tatashin <pasha.tatashin@soleen.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

parent e86436ad

kernel/liveupdate/kexec_handover.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -1014,8 +1014,10 @@ int kho_preserve_vmalloc(void ptr, struct kho_vmalloc preservation)
		chunk->phys[idx++] = phys;
		if (idx == ARRAY_SIZE(chunk->phys)) {
		chunk = new_vmalloc_chunk(chunk);
		if (!chunk)
		if (!chunk) {
		err = -ENOMEM;
		goto err_free;
		}
		idx = 0;
		}
		}