On 2015-02-02 at 13:35, Kevin Wolf wrote:
Am 26.01.2015 um 16:00 hat Max Reitz geschrieben:
Signed-off-by: Max Reitz <mre...@redhat.com>
---
  qemu-img.c | 20 ++++++--------------
  1 file changed, 6 insertions(+), 14 deletions(-)

diff --git a/qemu-img.c b/qemu-img.c
index 4e9a7f5..be1953d 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -291,32 +291,24 @@ static BlockBackend *img_open(const char *id, const char 
*filename,
  {
      BlockBackend *blk;
      BlockDriverState *bs;
-    BlockDriver *drv;
      char password[256];
      Error *local_err = NULL;
-    int ret;
-
-    blk = blk_new_with_bs(id, &error_abort);
-    bs = blk_bs(blk);
+    QDict *options = NULL;
if (fmt) {
-        drv = bdrv_find_format(fmt);
-        if (!drv) {
-            error_report("Unknown file format '%s'", fmt);
-            goto fail;
-        }
-    } else {
-        drv = NULL;
+        options = qdict_new();
+        qdict_put_obj(options, "driver", QOBJECT(qstring_from_str(fmt)));
I'm only noticing it here, though you did the same in the previous
patches. This can be written shorter as:

     qdict_put(options, "driver", qstring_from_str(fmt));

Indeed, will do.

Max

      }
- ret = bdrv_open(&bs, filename, NULL, NULL, flags, drv, &local_err);
-    if (ret < 0) {
+    blk = blk_new_open(id, filename, NULL, options, flags, &local_err);
+    if (!blk) {
          error_report("Could not open '%s': %s", filename,
                       error_get_pretty(local_err));
          error_free(local_err);
          goto fail;
      }
+ bs = blk_bs(blk);
      if (bdrv_is_encrypted(bs) && require_io) {
          qprintf(quiet, "Disk image '%s' is encrypted.\n", filename);
          if (read_password(password, sizeof(password)) < 0) {
Kevin


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