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qemu-img rebase: Open new backing file read-only 

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 <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf 2010-08-17 18:58:55 +02:00
parent 010cb2b314
commit cdbae85169
1 changed files with 1 additions and 1 deletions
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2
qemu-img.c
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@ -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);