diff options
Diffstat (limited to 'tools/hv/hv_vss_daemon.c')
| -rw-r--r-- | tools/hv/hv_vss_daemon.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/tools/hv/hv_vss_daemon.c b/tools/hv/hv_vss_daemon.c index 8bcb040..8611962 100644 --- a/tools/hv/hv_vss_daemon.c +++ b/tools/hv/hv_vss_daemon.c @@ -140,6 +140,7 @@ int main(void) struct cn_msg *incoming_cn_msg; int op; struct hv_vss_msg *vss_msg; + char *vss_send_buffer; char *vss_recv_buffer; size_t vss_recv_buffer_len; @@ -149,9 +150,10 @@ int main(void) openlog("Hyper-V VSS", 0, LOG_USER); syslog(LOG_INFO, "VSS starting; pid is:%d", getpid()); - vss_recv_buffer_len = NLMSG_LENGTH(0) + sizeof(struct cn_msg) + sizeof(struct hv_vss_msg); + vss_recv_buffer_len = NLMSG_HDRLEN + sizeof(struct cn_msg) + sizeof(struct hv_vss_msg); + vss_send_buffer = calloc(1, vss_recv_buffer_len); vss_recv_buffer = calloc(1, vss_recv_buffer_len); - if (!vss_recv_buffer) { + if (!(vss_send_buffer && vss_recv_buffer)) { syslog(LOG_ERR, "Failed to allocate netlink buffers"); exit(EXIT_FAILURE); } @@ -183,7 +185,7 @@ int main(void) /* * Register ourselves with the kernel. */ - message = (struct cn_msg *)vss_recv_buffer; + message = (struct cn_msg *)vss_send_buffer; message->id.idx = CN_VSS_IDX; message->id.val = CN_VSS_VAL; message->ack = 0; |