We never write to a backing file, so opening rw is useless. It just means that
you can't rebase on top of a file for which you don't have write permissions.
Signed-off-by: Kevin Wolf <kw...@redhat.com>
---
qemu-img.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/qemu-img.c b/qemu-img.c
index e300f91..d2a978b 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -1286,7 +1286,7 @@ static int img_rebase(int argc, char **argv)
}
bs_new_backing = bdrv_new("new_backing");
- ret = bdrv_open(bs_new_backing, out_baseimg, BDRV_O_FLAGS |
BDRV_O_RDWR,
+ ret = bdrv_open(bs_new_backing, out_baseimg, BDRV_O_FLAGS,
new_backing_drv);
if (ret) {
error("Could not open new backing file '%s'", out_baseimg);
--
1.7.2.2
