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fss_bs_thread: initialize b_error and b_resid. 

Before it was possible for fss reads to return bogus b_resid values
leading to "delta > 0" panics from physio().
This commit is contained in:
hannken 2008-11-05 19:30:57 +00:00
parent 172fcb442e
commit a797621996
1 changed files with 4 additions and 2 deletions
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6
sys/dev/fss.c
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@ -1,4 +1,4 @@
/* $NetBSD: fss.c,v 1.60 2008/10/01 10:45:11 hannken Exp $ */
/* $NetBSD: fss.c,v 1.61 2008/11/05 19:30:57 hannken Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
@ -36,7 +36,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: fss.c,v 1.60 2008/10/01 10:45:11 hannken Exp $");
__KERNEL_RCSID(0, "$NetBSD: fss.c,v 1.61 2008/11/05 19:30:57 hannken Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -1132,6 +1132,8 @@ fss_bs_thread(void *arg)
off = FSS_CLOFF(sc, dbtob(bp->b_blkno));
ch = FSS_BTOCL(sc, dbtob(bp->b_blkno)+bp->b_bcount-1);
error = 0;
bp->b_resid = 0;
bp->b_error = 0;
for (c = cl; c <= ch; c++) {
if (isset(sc->sc_copied, c))
continue;