net: make iov_to_buf take right size argument in nc_sendv_compat()

We want "buf, sizeof(buf)" here.  sizeof(buffer) is the size of a
pointer, which is wrong.
Thanks to Paolo for pointing it out.

Signed-off-by: Yang Hongyang <[email protected]>
Cc: Jason Wang <[email protected]>
Cc: Paolo Bonzini <[email protected]>
Signed-off-by: Jason Wang <[email protected]>

diff --git a/net/net.c b/net/net.c
index 70a3576db9bde219088226df263065bf7978540f..2f2b39e09b4ce2761a5a3a672ff5ea7762dd6ea1 100644 (file)
--- a/net/net.c
+++ b/net/net.c
@@ -708,7 +708,7 @@ static ssize_t nc_sendv_compat(NetClientState *nc, const struct iovec *iov,
         offset = iov[0].iov_len;
     } else {
         buffer = buf;
-        offset = iov_to_buf(iov, iovcnt, 0, buffer, sizeof(buffer));
+        offset = iov_to_buf(iov, iovcnt, 0, buf, sizeof(buf));
     }
 
     if (flags & QEMU_NET_PACKET_FLAG_RAW && nc->info->receive_raw) {