diff options
Diffstat (limited to 'kernel/drivers/hv/hv_util.c')
| -rw-r--r-- | kernel/drivers/hv/hv_util.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/kernel/drivers/hv/hv_util.c b/kernel/drivers/hv/hv_util.c index 7994ec2e4..41f589622 100644 --- a/kernel/drivers/hv/hv_util.c +++ b/kernel/drivers/hv/hv_util.c @@ -283,10 +283,14 @@ static void heartbeat_onchannelcallback(void *context) u8 *hbeat_txf_buf = util_heartbeat.recv_buffer; struct icmsg_negotiate *negop = NULL; - vmbus_recvpacket(channel, hbeat_txf_buf, - PAGE_SIZE, &recvlen, &requestid); + while (1) { + + vmbus_recvpacket(channel, hbeat_txf_buf, + PAGE_SIZE, &recvlen, &requestid); + + if (!recvlen) + break; - if (recvlen > 0) { icmsghdrp = (struct icmsg_hdr *)&hbeat_txf_buf[ sizeof(struct vmbuspipe_hdr)]; |