diff options
| author |   pedro <pedro@openbsd.org> | 2006-03-04 22:53:32 +0000 |
|---|---|---|
| committer | pedro <pedro@openbsd.org> | 2006-03-04 22:53:32 +0000 |
| commit | 00752442b44e2fc4809b3f7ea5a0db9c44da67e5 (patch) | |
| tree | 70750db9e4380641f3ee73b12b37639a18d8eb4c /sys/dev/vnd.c | |
| parent | With the exception of two other small uncommited diffs this moves (diff) | |
| download | wireguard-openbsd-00752442b44e2fc4809b3f7ea5a0db9c44da67e5.tar.xz wireguard-openbsd-00752442b44e2fc4809b3f7ea5a0db9c44da67e5.zip | |
Disk interrupts can cause buffers to be returned to the vnd pool, so
splbio() is required when allocating. Fixes PR kern/5041, okay tedu@.
Diffstat (limited to 'sys/dev/vnd.c')
| -rw-r--r-- | sys/dev/vnd.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/dev/vnd.c b/sys/dev/vnd.c index ec6e527ac63..8ee2531b1d9 100644 --- a/sys/dev/vnd.c +++ b/sys/dev/vnd.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vnd.c,v 1.58 2006/01/22 00:40:02 miod Exp $ */ +/* $OpenBSD: vnd.c,v 1.59 2006/03/04 22:53:32 pedro Exp $ */ /* $NetBSD: vnd.c,v 1.26 1996/03/30 23:06:11 christos Exp $ */ /* @@ -568,7 +568,9 @@ vndstrategy(bp) vnd->sc_vp, vp, bn, nbn, sz); #endif + s = splbio(); nbp = getvndbuf(); + splx(s); nbp->vb_buf.b_flags = flags; nbp->vb_buf.b_bcount = sz; nbp->vb_buf.b_bufsize = bp->b_bufsize; |