bdrv: Use "Error" for opening images

Add an Error ** parameter to BlockDriver.bdrv_open and
BlockDriver.bdrv_file_open to allow more specific error messages.

Signed-off-by: Max Reitz <mreitz@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/block.c b/block.c
index b81d1e2..89098bc 100644
--- a/block.c
+++ b/block.c
@@ -761,7 +761,7 @@ static int bdrv_open_common(BlockDriverState *bs, BlockDriverState *file,
     if (drv->bdrv_file_open) {
         assert(file == NULL);
         assert(drv->bdrv_parse_filename || filename != NULL);
-        ret = drv->bdrv_file_open(bs, options, open_flags);
+        ret = drv->bdrv_file_open(bs, options, open_flags, NULL);
     } else {
         if (file == NULL) {
             qerror_report(ERROR_CLASS_GENERIC_ERROR, "Can't use '%s' as a "
@@ -771,7 +771,7 @@ static int bdrv_open_common(BlockDriverState *bs, BlockDriverState *file,
             goto free_and_fail;
         }
         bs->file = file;
-        ret = drv->bdrv_open(bs, options, open_flags);
+        ret = drv->bdrv_open(bs, options, open_flags, NULL);
     }
 
     if (ret < 0) {