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-rw-r--r--sys/arch/mvme68k/mvme68k/mem.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/arch/mvme68k/mvme68k/mem.c b/sys/arch/mvme68k/mvme68k/mem.c
index 4330f7a459f..ad1173a50b6 100644
--- a/sys/arch/mvme68k/mvme68k/mem.c
+++ b/sys/arch/mvme68k/mvme68k/mem.c
@@ -1,4 +1,4 @@
-/* $Id: mem.c,v 1.2 1995/11/07 08:50:22 deraadt Exp $ */
+/* $Id: mem.c,v 1.3 1995/11/30 22:52:05 deraadt Exp $ */
/*
* Copyright (c) 1995 Theo de Raadt
@@ -169,6 +169,8 @@ mmrw(dev, uio, flags)
if (!kernacc((caddr_t)v, c,
uio->uio_rw == UIO_READ ? B_READ : B_WRITE))
return (EFAULT);
+ if (v < NBPG)
+ return (EFAULT);
error = uiomove((caddr_t)v, c, uio);
continue;