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From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org,stable@vger.kernel.org,rppt@kernel.org,pratyush@kernel.org,pasha.tatashin@soleen.com,leotimmins1974@gmail.com,akpm@linux-foundation.org
Subject: [merged mm-hotfixes-stable] liveupdate-propagate-file-deserialization-failures.patch removed from -mm tree
Date: Mon, 06 Apr 2026 11:14:18 -0700	[thread overview]
Message-ID: <20260406181419.48763C4CEF7@smtp.kernel.org> (raw)


The quilt patch titled
     Subject: liveupdate: propagate file deserialization failures
has been removed from the -mm tree.  Its filename was
     liveupdate-propagate-file-deserialization-failures.patch

This patch was dropped because it was merged into the mm-hotfixes-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Leo Timmins <leotimmins1974@gmail.com>
Subject: liveupdate: propagate file deserialization failures
Date: Wed, 25 Mar 2026 12:46:07 +0800

luo_session_deserialize() ignored the return value from
luo_file_deserialize().  As a result, a session could be left partially
restored even though the /dev/liveupdate open path treats deserialization
failures as fatal.

Propagate the error so a failed file deserialization aborts session
deserialization instead of silently continuing.

Link: https://lkml.kernel.org/r/20260325044608.8407-1-leotimmins1974@gmail.com
Link: https://lkml.kernel.org/r/20260325044608.8407-2-leotimmins1974@gmail.com
Fixes: 16cec0d26521 ("liveupdate: luo_session: add ioctls for file preservation")
Signed-off-by: Leo Timmins <leotimmins1974@gmail.com>
Reviewed-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 kernel/liveupdate/luo_session.c |    9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

--- a/kernel/liveupdate/luo_session.c~liveupdate-propagate-file-deserialization-failures
+++ a/kernel/liveupdate/luo_session.c
@@ -558,8 +558,13 @@ int luo_session_deserialize(void)
 		}
 
 		scoped_guard(mutex, &session->mutex) {
-			luo_file_deserialize(&session->file_set,
-					     &sh->ser[i].file_set_ser);
+			err = luo_file_deserialize(&session->file_set,
+						   &sh->ser[i].file_set_ser);
+		}
+		if (err) {
+			pr_warn("Failed to deserialize files for session [%s] %pe\n",
+				session->name, ERR_PTR(err));
+			return err;
 		}
 	}
 
_

Patches currently in -mm which might be from leotimmins1974@gmail.com are



                 reply	other threads:[~2026-04-06 18:14 UTC|newest]

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