From 1d4e32079280eeb16e1d2656622d2603aec6f7a3 Mon Sep 17 00:00:00 2001
From: Naphtali Sprei <nsprei@redhat.com>
Date: Thu, 6 May 2010 16:37:35 -0300
Subject: [PATCH] qemu-img: open file to be rebased with read-write permission

RH-Author: Naphtali Sprei <nsprei@redhat.com>
Message-id: <4BE2F04F.2060306@redhat.com>
Patchwork-id: 9066
O-Subject: [RHEL-5.6 KVM PATCH] qemu-img: open file to be rebased with read-write
	permission
Bugzilla: 587605
RH-Acked-by: Christoph Hellwig <chellwig@redhat.com>
RH-Acked-by: Juan Quintela <quintela@redhat.com>
RH-Acked-by: Kevin Wolf <kwolf@redhat.com>

BZ: https://bugzilla.redhat.com/show_bug.cgi?id=587605

upstream commit: none, this is a fix to a missed backport

Open with read-write permission the file to be modified

Signed-off-by: Naphtali Sprei <nsprei@redhat.com>
---
 qemu/qemu-img.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---
 qemu/qemu-img.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/qemu/qemu-img.c b/qemu/qemu-img.c
index e413716..5c8351c 100644
--- a/qemu/qemu-img.c
+++ b/qemu/qemu-img.c
@@ -1050,7 +1050,7 @@ static int img_rebase(int argc, char **argv)
         }
     }
 
-    flags = BRDV_O_FLAGS | (unsafe ? BDRV_O_NO_BACKING : 0);
+    flags = BRDV_O_FLAGS | BDRV_O_RDWR | (unsafe ? BDRV_O_NO_BACKING : 0);
     if (bdrv_open2(bs, filename, flags, drv) < 0) {
         error("Could not open '%s'", filename);
     }
-- 
1.7.0.3