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Doh. Bail out early if we're passed a zero-length buffer.

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scw 2002-10-19 08:53:45 +00:00
parent 1e0542ac19
commit 0e1af8ca62
1 changed files with 2 additions and 1 deletions
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3
sys/lib/libkern/arch/sh5/memset.S
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@ -1,4 +1,4 @@
/* $NetBSD: memset.S,v 1.1 2002/10/17 11:53:33 scw Exp $ */
/* $NetBSD: memset.S,v 1.2 2002/10/19 08:53:45 scw Exp $ */
/*
* Copyright 2002 Wasabi Systems, Inc.
@ -58,6 +58,7 @@ ENTRY(memset)
#endif
mshflo.b r3, r3, r3
ptabs/u r18, tr0
beq/u r4, r63, tr0 /* Bail now if "bytes" is zero */
andi r2, 7, r0
pta/u Laligned, tr1
mperm.w r3, r63, r3