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Prevent possible wayward loop.

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This commit is contained in:
pk 2000-01-25 09:30:00 +00:00
parent 65c138fea0
commit 855fe23671
1 changed files with 3 additions and 2 deletions
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5
sys/dev/ic/ncr53c9x.c
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@ -1,4 +1,4 @@
/* $NetBSD: ncr53c9x.c,v 1.39 1999/11/10 05:02:53 mycroft Exp $ */ /* $NetBSD: ncr53c9x.c,v 1.40 2000/01/25 09:30:00 pk Exp $ */
/*- /*-
* Copyright (c) 1998 The NetBSD Foundation, Inc. * Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -1929,9 +1929,10 @@ printf("<<RESELECT CONT'd>>");
} }
if ((NCR_READ_REG(sc, NCR_FFLAG) if ((NCR_READ_REG(sc, NCR_FFLAG)
& NCRFIFO_FF) != 2) { & NCRFIFO_FF) != 2) {
/* Drop excess bytes from the queue */
int i = (NCR_READ_REG(sc, NCR_FFLAG) int i = (NCR_READ_REG(sc, NCR_FFLAG)
& NCRFIFO_FF) - 2; & NCRFIFO_FF) - 2;
while (i--) while (i-- > 0)
(void) NCR_READ_REG(sc, NCR_FIFO); (void) NCR_READ_REG(sc, NCR_FIFO);
} }
ecb->stat = NCR_READ_REG(sc, NCR_FIFO); ecb->stat = NCR_READ_REG(sc, NCR_FIFO);