diff options
| -rw-r--r-- | lib/rtnl.c | 13 |
1 files changed, 12 insertions, 1 deletions
@@ -3121,6 +3121,7 @@ uc_nl_request(uc_vm_t *vm, size_t nargs) int enable = 1, err; struct nl_msg *msg; struct nl_cb *cb; + void *buf; size_t i; if (ucv_type(cmd) != UC_INTEGER || ucv_int64_get(cmd) < 0 || @@ -3168,7 +3169,17 @@ uc_nl_request(uc_vm_t *vm, size_t nargs) err_return(NLE_NOMEM, NULL); if (st.spec) { - nlmsg_reserve(msg, st.spec->headsize, 0); + if (st.spec->headsize) { + buf = nlmsg_reserve(msg, st.spec->headsize, 0); + + if (!buf) { + nlmsg_free(msg); + + return NULL; + } + + memset(buf, 0, st.spec->headsize); + } if (!uc_nl_parse_attrs(msg, NLMSG_DATA(nlmsg_hdr(msg)), st.spec->attrs, st.spec->nattrs, vm, payload)) { nlmsg_free(msg); |