cpu_to_be64w can't be used to make unaligned stores, but stq_be_p can. The other stores in this routine are left alone, they're aligned already.
Signed-off-by: John Snow <[email protected]> --- nbd/server.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/nbd/server.c b/nbd/server.c index 1ec79cf..5b65059 100644 --- a/nbd/server.c +++ b/nbd/server.c @@ -441,7 +441,7 @@ static coroutine_fn int nbd_negotiate(NBDClientNewData *data) } assert ((client->exp->nbdflags & ~65535) == 0); - cpu_to_be64w((uint64_t*)(buf + 18), client->exp->size); + stq_be_p((uint64_t *)(buf + 18), client->exp->size); cpu_to_be16w((uint16_t*)(buf + 26), client->exp->nbdflags | myflags); if (nbd_negotiate_write(csock, buf + 18, sizeof(buf) - 18) != sizeof(buf) - 18) { -- 2.4.3
