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authorKenneth R Westerback <krw@cvs.openbsd.org>2015-09-27 18:03:19 +0000
committerKenneth R Westerback <krw@cvs.openbsd.org>2015-09-27 18:03:19 +0000
commit23c00b6d56d78390f5700afb959c1a92cf2038bb (patch)
treee4509d73447dce326d51ff01b44daa7921377dec /sys/arch/amd64
parent9dad5ee38132c5856f41fa1a398712c22a22c6fc (diff)
Use readdisksector() instead of manual buf initialization.
ok deraadt@
Diffstat (limited to 'sys/arch/amd64')
-rw-r--r--sys/arch/amd64/amd64/disksubr.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/sys/arch/amd64/amd64/disksubr.c b/sys/arch/amd64/amd64/disksubr.c
index 8a97a45b562..c8b0cf7efd0 100644
--- a/sys/arch/amd64/amd64/disksubr.c
+++ b/sys/arch/amd64/amd64/disksubr.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: disksubr.c,v 1.75 2015/09/10 14:28:17 krw Exp $ */
+/* $OpenBSD: disksubr.c,v 1.76 2015/09/27 18:03:18 krw Exp $ */
/* $NetBSD: disksubr.c,v 1.21 1996/05/03 19:42:03 christos Exp $ */
/*
@@ -138,15 +138,11 @@ writedisklabel(dev_t dev, void (*strat)(struct buf *), struct disklabel *lp)
goto done;
/* Read it in, slap the new label in, and write it back out */
- bp->b_blkno = DL_BLKTOSEC(lp, partoff + DOS_LABELSECTOR) *
- DL_BLKSPERSEC(lp);
- offset = DL_BLKOFFSET(lp, partoff + DOS_LABELSECTOR);
- bp->b_bcount = lp->d_secsize;
- CLR(bp->b_flags, B_READ | B_WRITE | B_DONE);
- SET(bp->b_flags, B_BUSY | B_READ | B_RAW);
- (*strat)(bp);
- if ((error = biowait(bp)) != 0)
+ error = readdisksector(bp, strat, lp, DL_BLKTOSEC(lp, partoff +
+ DOS_LABELSECTOR));
+ if (error)
goto done;
+ offset = DL_BLKOFFSET(lp, partoff + DOS_LABELSECTOR);
dlp = (struct disklabel *)(bp->b_data + offset);
*dlp = *lp;