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Explicitly initialise vaddr_t and let dead store elimination remove it

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later.
This commit is contained in:
joerg 2011-06-16 16:20:28 +00:00
parent afc8527716
commit fd3766f71b
1 changed files with 3 additions and 2 deletions
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5
sys/dev/mm.c
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@ -1,4 +1,4 @@
/* $NetBSD: mm.c,v 1.14 2011/06/12 03:35:51 rmind Exp $ */
/* $NetBSD: mm.c,v 1.15 2011/06/16 16:20:28 joerg Exp $ */
/*-
* Copyright (c) 2002, 2008, 2010 The NetBSD Foundation, Inc.
@ -34,7 +34,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: mm.c,v 1.14 2011/06/12 03:35:51 rmind Exp $");
__KERNEL_RCSID(0, "$NetBSD: mm.c,v 1.15 2011/06/16 16:20:28 joerg Exp $");
#include "opt_compat_netbsd.h"
@ -168,6 +168,7 @@ dev_mem_readwrite(struct uio *uio, struct iovec *iov)
/* Is physical address directly mapped? Return VA. */
have_direct = mm_md_direct_mapped_phys(paddr, &vaddr);
#else
vaddr = 0;
have_direct = false;
#endif
if (!have_direct) {