u64 aligned_data = 0;
int ret;
bool signal = false;
+ int num_vecs = ((bufferlen != 0) ? 3 : 1);
/* Setup the descriptor */
bufferlist[2].iov_base = &aligned_data;
bufferlist[2].iov_len = (packetlen_aligned - packetlen);
- ret = hv_ringbuffer_write(&channel->outbound, bufferlist, 3, &signal);
+ ret = hv_ringbuffer_write(&channel->outbound, bufferlist, num_vecs,
+ &signal);
/*
* Signalling the host is conditional on many factors: