@@ -610,16 +610,11 @@ static int bdrv_open_common(BlockDriverState *bs, const char *filename,
int ret, open_flags;
assert(drv != NULL);
+ assert(bs->file == NULL);
trace_bdrv_open_common(bs, filename, flags, drv->format_name);
- bs->file = NULL;
- bs->total_sectors = 0;
- bs->encrypted = 0;
- bs->valid_key = 0;
- bs->sg = 0;
bs->open_flags = flags;
- bs->growable = 0;
bs->buffer_alignment = 512;
assert(bs->copy_on_read == 0); /* bdrv_new() and bdrv_close() make it so */
@@ -628,7 +623,6 @@ static int bdrv_open_common(BlockDriverState *bs, const char *filename,
}
pstrcpy(bs->filename, sizeof(bs->filename), filename);
- bs->backing_file[0] = '\0';
if (use_bdrv_whitelist && !bdrv_is_whitelisted(drv)) {
return -ENOTSUP;
@@ -878,6 +872,11 @@ void bdrv_close(BlockDriverState *bs)
bs->copy_on_read = 0;
bs->backing_file[0] = '\0';
bs->backing_format[0] = '\0';
+ bs->total_sectors = 0;
+ bs->encrypted = 0;
+ bs->valid_key = 0;
+ bs->sg = 0;
+ bs->growable = 0;
if (bs->file != NULL) {
bdrv_delete(bs->file);
bdrv_close should leave fields in the same state as bdrv_new. It is not up to bdrv_open_common to fix the mess. Also, backing_format was not being re-initialized. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> --- block.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-)