libvirt/SOURCES/libvirt-qemuSnapshotForEachQcow2-Don-t-initialize-nrollback.patch

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2025-03-11 07:41:08 +00:00
From b6efc51ef60d5aa4ee94a85ad7211ab51034407e Mon Sep 17 00:00:00 2001
Message-ID: <b6efc51ef60d5aa4ee94a85ad7211ab51034407e.1738940191.git.jdenemar@redhat.com>
From: Peter Krempa <pkrempa@redhat.com>
Date: Mon, 3 Feb 2025 18:23:29 +0100
Subject: [PATCH] qemuSnapshotForEachQcow2: Don't initialize 'nrollback'
The variable holds the amount of disks to roll back the snapshot for.
The value must be set before the code jumps to the 'rollback:' label so
the best situation is to not initialize it and let the compiler catch
errors rather than initialize the unsigned variable to -1 and let it
crash.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
(cherry picked from commit d15eff63041ace067fa0ea9687c482a0f1dd140f)
https://issues.redhat.com/browse/RHEL-73315
---
src/qemu/qemu_snapshot.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/qemu/qemu_snapshot.c b/src/qemu/qemu_snapshot.c
index 80cd54bf33..7c998afe6f 100644
--- a/src/qemu/qemu_snapshot.c
+++ b/src/qemu/qemu_snapshot.c
@@ -290,7 +290,7 @@ qemuSnapshotForEachQcow2(virDomainDef *def,
size_t i;
bool skipped = false;
bool create = STREQ(op, "-c");
- size_t nrollback = -1;
+ size_t nrollback;
virErrorPtr orig_err;
/* pre-checks */
--
2.48.1