Index: share/man/man9/mbuf.9
===================================================================
RCS file: /cvs/src/share/man/man9/mbuf.9,v
retrieving revision 1.120
diff -u -p -r1.120 mbuf.9
--- share/man/man9/mbuf.9	12 Dec 2020 11:48:52 -0000	1.120
+++ share/man/man9/mbuf.9	23 Feb 2021 09:29:55 -0000
@@ -116,7 +116,7 @@
 .Ft void
 .Fn m_reclaim "void"
 .Ft void
-.Fn m_copydata "struct mbuf *m" "int off" "int len" "caddr_t cp"
+.Fn m_copydata "struct mbuf *m" "int off" "int len" "void *cp"
 .Ft void
 .Fn m_cat "struct mbuf *m" "struct mbuf *n"
 .Ft struct mbuf *
@@ -673,7 +673,7 @@ is a
 pointer, no action occurs.
 .It Fn m_reclaim "void"
 Ask protocols to free unused memory space.
-.It Fn m_copydata "struct mbuf *m" "int off" "int len" "caddr_t cp"
+.It Fn m_copydata "struct mbuf *m" "int off" "int len" "void *cp"
 Copy data from the mbuf chain pointed to by
 .Fa m
 starting at
Index: sys/sys/mbuf.h
===================================================================
RCS file: /cvs/src/sys/sys/mbuf.h,v
retrieving revision 1.251
diff -u -p -r1.251 mbuf.h
--- sys/sys/mbuf.h	12 Dec 2020 11:49:02 -0000	1.251
+++ sys/sys/mbuf.h	23 Feb 2021 09:29:55 -0000
@@ -435,7 +435,7 @@ int	m_copyback(struct mbuf *, int, int, 
 struct mbuf *m_freem(struct mbuf *);
 void	m_purge(struct mbuf *);
 void	m_reclaim(void *, int);
-void	m_copydata(struct mbuf *, int, int, caddr_t);
+void	m_copydata(struct mbuf *, int, int, void *);
 void	m_cat(struct mbuf *, struct mbuf *);
 struct mbuf *m_devget(char *, int, int);
 int	m_apply(struct mbuf *, int, int,
Index: sys/kern/uipc_mbuf.c
===================================================================
RCS file: /cvs/src/sys/kern/uipc_mbuf.c,v
retrieving revision 1.277
diff -u -p -r1.277 uipc_mbuf.c
--- sys/kern/uipc_mbuf.c	13 Jan 2021 12:38:36 -0000	1.277
+++ sys/kern/uipc_mbuf.c	23 Feb 2021 09:29:55 -0000
@@ -711,8 +711,9 @@ nospace:
  * continuing for "len" bytes, into the indicated buffer.
  */
 void
-m_copydata(struct mbuf *m, int off, int len, caddr_t cp)
+m_copydata(struct mbuf *m, int off, int len, void *p)
 {
+	caddr_t cp = p;
 	unsigned count;
 
 	if (off < 0)