diff options
Diffstat (limited to 'block/sheepdog.c')
| -rw-r--r-- | block/sheepdog.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/block/sheepdog.c b/block/sheepdog.c index be3db1f150..187bcd8236 100644 --- a/block/sheepdog.c +++ b/block/sheepdog.c @@ -2457,6 +2457,10 @@ static int sd_snapshot_delete(BlockDriverState *bs, const char *name, Error **errp) { + /* + * FIXME should delete the snapshot matching both @snapshot_id and + * @name, but @name not used here + */ unsigned long snap_id = 0; char snap_tag[SD_MAX_VDI_TAG_LEN]; int fd, ret; @@ -2481,6 +2485,11 @@ static int sd_snapshot_delete(BlockDriverState *bs, pstrcpy(buf, SD_MAX_VDI_LEN, s->name); ret = qemu_strtoul(snapshot_id, NULL, 10, &snap_id); if (ret || snap_id > UINT32_MAX) { + /* + * FIXME Since qemu_strtoul() returns -EINVAL when + * @snapshot_id is null, @snapshot_id is mandatory. Correct + * would be to require at least one of @snapshot_id and @name. + */ error_setg(errp, "Invalid snapshot ID: %s", snapshot_id ? snapshot_id : "<null>"); return -EINVAL; @@ -2489,6 +2498,7 @@ static int sd_snapshot_delete(BlockDriverState *bs, if (snap_id) { hdr.snapid = (uint32_t) snap_id; } else { + /* FIXME I suspect we should use @name here */ pstrcpy(snap_tag, sizeof(snap_tag), snapshot_id); pstrcpy(buf + SD_MAX_VDI_LEN, SD_MAX_VDI_TAG_LEN, snap_tag); } |