diff options
Diffstat (limited to 'tools/vgrename.c')
| -rw-r--r-- | tools/vgrename.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/tools/vgrename.c b/tools/vgrename.c index d627bd056..b87414d8b 100644 --- a/tools/vgrename.c +++ b/tools/vgrename.c @@ -40,6 +40,7 @@ static int _vgrename_single(struct cmd_context *cmd, const char *vg_name, struct vgrename_params *vp = (struct vgrename_params *) handle->custom_handle; char old_path[PATH_MAX]; char new_path[PATH_MAX]; + char vgid[ID_LEN + 1] __attribute__((aligned(8))) = { 0 }; struct id id; const char *name; char *dev_dir; @@ -69,10 +70,13 @@ static int _vgrename_single(struct cmd_context *cmd, const char *vg_name, return ECMD_FAILED; } - if (id_read_format_try(&id, vp->vg_name_new) && - (name = lvmcache_vgname_from_vgid(cmd->mem, (const char *)&id))) { - log_error("New VG name \"%s\" matches the UUID of existing VG %s", vp->vg_name_new, name); - return ECMD_FAILED; + if (id_read_format_try(&id, vp->vg_name_new)) { + memcpy(vgid, &id, ID_LEN); + + if ((name = lvmcache_vgname_from_vgid(cmd->mem, vgid))) { + log_error("New VG name \"%s\" matches the UUID of existing VG %s", vp->vg_name_new, name); + return ECMD_FAILED; + } } /* |