Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
instead of opening 'filename' directly */
/* Get the required size from the image */
- total_size = bdrv_getlength(bs) & BDRV_SECTOR_MASK;
+ total_size = bdrv_getlength(bs);
+ if (total_size < 0) {
+ error_setg_errno(errp, -total_size, "Could not get image size");
+ return;
+ }
+ total_size &= BDRV_SECTOR_MASK;
/* Create the temporary image */
ret = get_tmp_filename(tmp_filename, sizeof(tmp_filename));