{
struct afs_server_list *new, *old, *discard;
struct afs_vldb_entry *vldb;
- char idbuf[16];
+ char idbuf[24];
int ret, idsz;
_enter("");
/* We look up an ID by passing it as a decimal string in the
* operation's name parameter.
*/
- idsz = sprintf(idbuf, "%llu", volume->vid);
+ idsz = snprintf(idbuf, sizeof(idbuf), "%llu", volume->vid);
vldb = afs_vl_lookup_vldb(volume->cell, key, idbuf, idsz);
if (IS_ERR(vldb)) {