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freebsd_amp_hwpstate
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Don't use a struct buf (malloc'd) without first initialising all the fields 

to some known value!
(probable cause of soft updates exploding with vn devices)
This commit is contained in:
Julian Elischer 1998-07-04 00:27:48 +00:00
parent 2c4d94647c
commit ad12aad64b
1 changed files with 5 additions and 1 deletions
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6
sys/dev/vn/vn.c
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@ -38,7 +38,7 @@
* from: Utah Hdr: vn.c 1.13 94/04/02
*
* from: @(#)vn.c 8.6 (Berkeley) 4/1/94
* $Id: vn.c,v 1.60 1998/06/07 17:09:50 dfr Exp $
* $Id: vn.c,v 1.61 1998/06/07 20:10:53 dfr Exp $
*/
/*
@ -327,6 +327,8 @@ vnstrategy(struct buf *bp)
struct buf *nbp;
nbp = getvnbuf();
bzero(nbp, sizeof(struct buf));
LIST_INIT(&nbp->b_dep);
byten = dbtob(bn);
bsize = vn->sc_vp->v_mount->mnt_stat.f_iosize;
addr = bp->b_data;
@ -497,6 +499,8 @@ nvsIOreq(void *private ,struct buf *bp)
struct buf *nbp;
nbp = getvnbuf();
bzero(nbp, sizeof(struct buf));
LIST_INIT(&nbp->b_dep);
byten = dbtob(bn);
/* This is probably the only time this is RIGHT */
bsize = vn->sc_vp->v_mount->mnt_stat.f_iosize;