diff options
| author | Niklas Hallqvist <niklas@cvs.openbsd.org> | 1998-01-24 21:33:33 +0000 |
|---|---|---|
| committer | Niklas Hallqvist <niklas@cvs.openbsd.org> | 1998-01-24 21:33:33 +0000 |
| commit | bd7104aa7862e7e0c95f8c31f56fa632580fec28 (patch) | |
| tree | 3816bcf4613916fafc51e259588986124f5aec0e /sys | |
| parent | 56bff3c475ca720a82e5998a6088908dd8764c93 (diff) | |
Protect allocation of ccd physmem of ccd interrupts
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/ccd.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/dev/ccd.c b/sys/dev/ccd.c index 43e149015fa..1b7cea66dbb 100644 --- a/sys/dev/ccd.c +++ b/sys/dev/ccd.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ccd.c,v 1.27 1998/01/24 21:12:36 niklas Exp $ */ +/* $OpenBSD: ccd.c,v 1.28 1998/01/24 21:33:32 niklas Exp $ */ /* $NetBSD: ccd.c,v 1.33 1996/05/05 04:21:14 thorpej Exp $ */ /*- @@ -832,7 +832,7 @@ ccdbuffer(cs, bp, bn, addr, bcount, cbpp, old_io) struct ccdcinfo *ci, *ci2 = NULL; struct ccdbuf *cbp; daddr_t cbn, cboff, sblk; - int ccdisk, off; + int ccdisk, off, s; long old_bcount, cnt; struct ccdiinfo *ii; struct buf *nbp; @@ -927,8 +927,11 @@ ccdbuffer(cs, bp, bn, addr, bcount, cbpp, old_io) nbp->b_data = addr; else { do { + s = splbio(); nbp->b_data = (caddr_t)kmem_alloc_pageable( ccdmap, bp->b_bcount); + splx(s); + /* * XXX Instead of sleeping, we might revert * XXX to old I/O policy for this buffer set. |