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| author |   mikeb <mikeb@openbsd.org> | 2016-10-14 18:32:54 +0000 |
|---|---|---|
| committer | mikeb <mikeb@openbsd.org> | 2016-10-14 18:32:54 +0000 |
| commit | 30bce9ffaa65d0c24c0cef53ec6a3be7b47803ba (patch) | |
| tree | b7790102ce4e95dcf71187cdc11818de66f1a997 /sys/dev/pv/hyperv.c | |
| parent | Cast pointers to uintptr_t to avoid potential signedness errors. (diff) | |
| download | wireguard-openbsd-30bce9ffaa65d0c24c0cef53ec6a3be7b47803ba.tar.xz wireguard-openbsd-30bce9ffaa65d0c24c0cef53ec6a3be7b47803ba.zip | |
The trailing producer index must point to the beginning of the message
Diffstat (limited to 'sys/dev/pv/hyperv.c')
| -rw-r--r-- | sys/dev/pv/hyperv.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/dev/pv/hyperv.c b/sys/dev/pv/hyperv.c index 1c54dd75e17..fd83b31d06b 100644 --- a/sys/dev/pv/hyperv.c +++ b/sys/dev/pv/hyperv.c @@ -1276,7 +1276,7 @@ hv_ring_write(struct hv_ring_data *wrd, struct iovec *iov, int iov_cnt, for (i = 0; i < iov_cnt; i++) hv_ring_put(wrd, iov[i].iov_base, iov[i].iov_len); - indices = (uint64_t)wrd->rd_prod << 32; + indices = (uint64_t)oprod << 32; hv_ring_put(wrd, (uint8_t *)&indices, sizeof(indices)); membar_sync(); |