From: Andrew Morton <akpm@linux-foundation.org>
Date: Wed, 21 Jan 2026 20:36:17 +0000 (-0800)
Subject: kho: kho_preserve_vmalloc(): don't return 0 when ENOMEM
X-Git-Tag: ceph-for-6.19-rc9~23^2~4
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=412a32f0e53f4a50062f6f4bc18f8910aa551734;p=ceph-client.git

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>
---

diff --git a/kernel/liveupdate/kexec_handover.c b/kernel/liveupdate/kexec_handover.c
index 96767b106cac..90d411a59f76 100644
--- a/kernel/liveupdate/kexec_handover.c
+++ b/kernel/liveupdate/kexec_handover.c
@@ -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;
 		}
 	}