Current code of monitor command: 'change', used to open file for read-write
uncoditionally. Change to open it as read-only for CDROM, and read-write for
all others.
Signed-off-by: Naphtali Sprei <nsp...@redhat.com>
---
monitor.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/monitor.c b/monitor.c
index c25d551..df5a15d 100644
--- a/monitor.c
+++ b/monitor.c
@@ -1083,6 +1083,7 @@ static int do_change_block(Monitor *mon, const char
*device,
{
BlockDriverState *bs;
BlockDriver *drv = NULL;
+ int bdrv_flags;
bs = bdrv_find(device);
if (!bs) {
@@ -1099,7 +1100,8 @@ static int do_change_block(Monitor *mon, const char
*device,
if (eject_device(mon, bs, 0) < 0) {
return -1;
}
- if (bdrv_open(bs, filename, BDRV_O_RDWR, drv) < 0) {
+ bdrv_flags = bdrv_get_type_hint(bs) == BDRV_TYPE_CDROM ? 0 : BDRV_O_RDWR;
+ if (bdrv_open(bs, filename, bdrv_flags, drv) < 0) {
qerror_report(QERR_OPEN_FILE_FAILED, filename);
return -1;
}
--
1.6.3.3
