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sd(4): Use d_cfdriver/devtounit to avoid open/detach races.

This commit is contained in:
riastradh 2022-03-28 12:39:46 +00:00
parent 2d01044645
commit ebc8106f69
1 changed files with 6 additions and 2 deletions
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8
sys/dev/scsipi/sd.c
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@ -1,4 +1,4 @@
/* $NetBSD: sd.c,v 1.333 2022/01/27 18:44:49 jakllsch Exp $ */
/* $NetBSD: sd.c,v 1.334 2022/03/28 12:39:46 riastradh Exp $ */
/*-
* Copyright (c) 1998, 2003, 2004 The NetBSD Foundation, Inc.
@ -47,7 +47,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sd.c,v 1.333 2022/01/27 18:44:49 jakllsch Exp $");
__KERNEL_RCSID(0, "$NetBSD: sd.c,v 1.334 2022/03/28 12:39:46 riastradh Exp $");
#ifdef _KERNEL_OPT
#include "opt_scsi.h"
@ -167,6 +167,8 @@ const struct bdevsw sd_bdevsw = {
.d_dump = sddump,
.d_psize = sdsize,
.d_discard = nodiscard,
.d_cfdriver = &sd_cd,
.d_devtounit = disklabel_dev_unit,
.d_flag = D_DISK | D_MPSAFE
};
@ -182,6 +184,8 @@ const struct cdevsw sd_cdevsw = {
.d_mmap = nommap,
.d_kqfilter = nokqfilter,
.d_discard = nodiscard,
.d_cfdriver = &sd_cd,
.d_devtounit = disklabel_dev_unit,
.d_flag = D_DISK | D_MPSAFE
};