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-rw-r--r--qemu-img.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/qemu-img.c b/qemu-img.c
index e300f911cb..d2a978b912 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);