From patchwork Thu Jan 14 14:33:17 2010
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Subject: [1/3] Make CDROM a read-only drive
Date: Thu, 14 Jan 2010 04:33:17 -0000
From: Naphtali Sprei <nsprei@redhat.com>
X-Patchwork-Id: 42892
Message-Id: <4B4F2B2D.5040401@redhat.com>
To: qemu-devel@nongnu.org

Signed-off-by: Naphtali Sprei <nsprei@redhat.com>

---
vl.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/vl.c b/vl.c
index 06cb40d..4f19505 100644
--- a/vl.c
+++ b/vl.c
@@ -2234,6 +2234,10 @@ DriveInfo *drive_init(QemuOpts *opts, void *opaque,
         (void)bdrv_set_read_only(dinfo->bdrv, 1);
     }
 
+    if (media == MEDIA_CDROM) {
+        (void)bdrv_set_read_only(dinfo->bdrv, 1);
+    }
+
     if (bdrv_open2(dinfo->bdrv, file, bdrv_flags, drv) < 0) {
         fprintf(stderr, "qemu: could not open disk image %s: %s\n",
                         file, strerror(errno));