diff options
| -rw-r--r-- | block.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/block.c b/block.c index 1dbc060c3f..b8bc2a1c68 100644 --- a/block.c +++ b/block.c @@ -3145,6 +3145,7 @@ BlockDriverState *bdrv_find_backing_image(BlockDriverState *bs, int is_protocol = 0; BlockDriverState *curr_bs = NULL; BlockDriverState *retval = NULL; + Error *local_error = NULL; if (!bs || !bs->drv || !backing_file) { return NULL; @@ -3165,6 +3166,18 @@ BlockDriverState *bdrv_find_backing_image(BlockDriverState *bs, retval = curr_bs->backing->bs; break; } + /* Also check against the full backing filename for the image */ + bdrv_get_full_backing_filename(curr_bs, backing_file_full, PATH_MAX, + &local_error); + if (local_error == NULL) { + if (strcmp(backing_file, backing_file_full) == 0) { + retval = curr_bs->backing->bs; + break; + } + } else { + error_free(local_error); + local_error = NULL; + } } else { /* If not an absolute filename path, make it relative to the current * image's filename path */ |