use sizeof(long) - 1 in m_pullup to determine payload alignment.

this makes it consistent with the rest of the network stack when
determining alignment.

ok bluhm@

diff --git a/sys/kern/uipc_mbuf.c b/sys/kern/uipc_mbuf.c
index bbb6932..acac2c0 100644 (file)
--- a/sys/kern/uipc_mbuf.c
+++ b/sys/kern/uipc_mbuf.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: uipc_mbuf.c,v 1.280 2022/01/18 12:38:21 bluhm Exp $   */
+/*     $OpenBSD: uipc_mbuf.c,v 1.281 2022/02/08 11:28:19 dlg Exp $     */
 /*     $NetBSD: uipc_mbuf.c,v 1.15.4.1 1996/06/13 17:11:44 cgd Exp $   */
 
 /*
@@ -945,9 +945,9 @@ m_pullup(struct mbuf *m0, int len)
                                goto freem0;
                }
 
-               adj = mtod(m, unsigned long) & ALIGNBYTES;
+               adj = mtod(m, unsigned long) & (sizeof(long) - 1);
        } else
-               adj = mtod(m0, unsigned long) & ALIGNBYTES;
+               adj = mtod(m0, unsigned long) & (sizeof(long) - 1);
 
        tail = head + M_SIZE(m0);
        head += adj;