commit cdbae85169c384d1641aa1ae86cdeefe16285745
author Kevin Wolf <kwolf@redhat.com> Tue Aug 17 18:58:55 2010 +0200
committer Kevin Wolf <kwolf@redhat.com> Mon Aug 30 18:29:22 2010 +0200
tree 16d9c8d11dfafdd0cfc7f572e46feec63c9b3f60
parent 010cb2b314f2fa629b6b0b8f2f73c9d562fff49f

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>

qemu-img.c

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 @@
         }
 
         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);