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forked from pool/libvirt
libvirt/blockcopy-check-dst-identical-device.patch
James Fehlig ce630fa7e7 Accepting request 639816 from home:jfehlig:branches:Virtualization
- Update to libvirt 4.8.0
  - Many incremental improvements and bug fixes, see
    http://libvirt.org/news.html
  - Dropped patches:
    60b4fd90-libxl-rm-vm-finish-phase.patch,
    e39c66d3-libxl-fix-p2p-migration.patch,
    47da84e0-libxl-fix-job-handling-migsrc.patch,
    0149464a-libxl-fix-job-handling-migdst.patch,
    5ea2abb3-libxl-join-mig-rcv-thread.patch

OBS-URL: https://build.opensuse.org/request/show/639816
OBS-URL: https://build.opensuse.org/package/show/Virtualization/libvirt?expand=0&rev=709
2018-10-03 20:24:42 +00:00

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Diff

From 475b272c126d53f3985860422dc96b01b470423e Mon Sep 17 00:00:00 2001
From: Chunyan Liu <cyliu@suse.com>
Date: Tue, 29 Jul 2014 17:31:28 +0800
Subject: [PATCH] blockcopy: check dst = identical device
Check whether dst is the same device as source, if yes, report
error and exit.
Signed-off-by: Chunyan Liu <cyliu@suse.com>
---
src/qemu/qemu_driver.c | 7 +++++++
1 file changed, 7 insertions(+)
Index: libvirt-4.8.0/src/qemu/qemu_driver.c
===================================================================
--- libvirt-4.8.0.orig/src/qemu/qemu_driver.c
+++ libvirt-4.8.0/src/qemu/qemu_driver.c
@@ -17503,6 +17503,14 @@ qemuDomainBlockCopyCommon(virDomainObjPt
goto endjob;
}
+ if (STREQ_NULLABLE(realpath(disk->src->path, NULL),
+ realpath(mirror->path, NULL))) {
+ virReportError(VIR_ERR_INVALID_ARG,
+ _("destination '%s' is the same as disk '%s' source"),
+ mirror->path, path);
+ goto endjob;
+ }
+
if (qemuDomainStorageFileInit(driver, vm, mirror, NULL) < 0)
goto endjob;