[Qemu-devel] [PATCH] Fix regression for "-drive file="

[Markus Armbruster]

Empty file used to create an empty drive (no media).  Since commit
9dfd7c7a, it's an error: "qemu: could not open disk image : No such
file or directory".  Older versions of libvirt can choke on this.

Signed-off-by: Markus Armbruster <address@hidden>
---
If this goes in, I'll prepare a patch for stable as well.

 vl.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/vl.c b/vl.c
index 85bcc84..78ec1b2 100644
--- a/vl.c
+++ b/vl.c
@@ -1097,7 +1097,7 @@ DriveInfo *drive_init(QemuOpts *opts, void *opaque,
     case IF_COUNT:
         abort();
     }
-    if (!file) {
+    if (!file || !*file) {
         *fatal_error = 0;
         return NULL;
     }
-- 
1.6.6.1