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Make nokqfilter() return the correct return value.

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Ditch the D_KQFILTER flag which was used to prevent calling NULL pointers.
This commit is contained in:
Poul-Henning Kamp 2003-03-03 16:24:47 +00:00
parent 69ea8786d6
commit 182a9f7455
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=111821
27 changed files with 23 additions and 29 deletions
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1
sys/cam/scsi/scsi_target.c
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@ -113,7 +113,6 @@ static struct cdevsw targ_cdevsw = {
.d_poll = targpoll,
.d_name = "targ",
.d_maj = TARG_CDEV_MAJOR,
.d_flags = D_KQFILTER,
.d_kqfilter = targkqfilter
};

2
sys/dev/cy/cy.c
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@ -405,7 +405,7 @@ static struct cdevsw sio_cdevsw = {
.d_poll = ttypoll,
.d_name = driver_name,
.d_maj = CDEV_MAJOR,
.d_flags = D_TTY | D_KQFILTER,
.d_flags = D_TTY,
.d_kqfilter = ttykqfilter,
};

2
sys/dev/cy/cy_isa.c
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@ -405,7 +405,7 @@ static struct cdevsw sio_cdevsw = {
.d_poll = ttypoll,
.d_name = driver_name,
.d_maj = CDEV_MAJOR,
.d_flags = D_TTY | D_KQFILTER,
.d_flags = D_TTY,
.d_kqfilter = ttykqfilter,
};

2
sys/dev/dgb/dgb.c
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@ -250,7 +250,7 @@ static struct cdevsw dgb_cdevsw = {
.d_poll = ttypoll,
.d_name = "dgb",
.d_maj = CDEV_MAJOR,
.d_flags = D_TTY | D_KQFILTER,
.d_flags = D_TTY,
.d_kqfilter = ttykqfilter,
};

2
sys/dev/digi/digi.c
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@ -151,7 +151,7 @@ static struct cdevsw digi_sw = {
.d_poll = ttypoll,
.d_name = driver_name,
.d_maj = CDEV_MAJOR,
.d_flags = D_TTY | D_KQFILTER,
.d_flags = D_TTY,
.d_kqfilter = ttykqfilter
};

2
sys/dev/rc/rc.c
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@ -154,7 +154,7 @@ static struct cdevsw rc_cdevsw = {
.d_poll = ttypoll,
.d_name = "rc",
.d_maj = CDEV_MAJOR,
.d_flags = D_TTY | D_KQFILTER,
.d_flags = D_TTY,
.d_kqfilter = ttykqfilter,
};

2
sys/dev/sab/sab.c
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@ -168,7 +168,7 @@ static struct cdevsw sabtty_cdevsw = {
.d_poll = ttypoll,
.d_name = "sabtty",
.d_maj = MAJOR_AUTO,
.d_flags = D_TTY | D_KQFILTER,
.d_flags = D_TTY,
.d_kqfilter = ttykqfilter,
};

2
sys/dev/si/si.c
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@ -124,7 +124,7 @@ static struct cdevsw si_cdevsw = {
.d_poll = ttypoll,
.d_name = "si",
.d_maj = CDEV_MAJOR,
.d_flags = D_TTY | D_KQFILTER,
.d_flags = D_TTY,
.d_kqfilter = ttykqfilter,
};

2
sys/dev/sio/sio.c
View File

@ -322,7 +322,7 @@ static struct cdevsw sio_cdevsw = {
.d_poll = ttypoll,
.d_name = sio_driver_name,
.d_maj = CDEV_MAJOR,
.d_flags = D_TTY | D_KQFILTER,
.d_flags = D_TTY,
.d_kqfilter = ttykqfilter,
};

2
sys/dev/syscons/syscons.c
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@ -221,7 +221,7 @@ static struct cdevsw sc_cdevsw = {
.d_mmap = scmmap,
.d_name = "sc",
.d_maj = CDEV_MAJOR,
.d_flags = D_TTY | D_KQFILTER,
.d_flags = D_TTY,
.d_kqfilter = ttykqfilter
};

2
sys/dev/usb/ucom.c
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@ -136,7 +136,7 @@ static struct cdevsw ucom_cdevsw = {
.d_poll = ttypoll,
.d_name = "ucom",
.d_maj = UCOM_CDEV_MAJOR,
.d_flags = D_TTY | D_KQFILTER,
.d_flags = D_TTY,
#if __FreeBSD_version < 500014
/* bmaj */ -1,
#endif

2
sys/dev/zs/zs.c
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@ -158,7 +158,7 @@ static struct cdevsw zstty_cdevsw = {
.d_poll = ttypoll,
.d_name = "zstty",
.d_maj = MAJOR_AUTO,
.d_flags = D_TTY | D_KQFILTER,
.d_flags = D_TTY,
.d_kqfilter = ttykqfilter,
};

2
sys/fs/specfs/spec_vnops.c
View File

@ -392,8 +392,6 @@ spec_kqfilter(ap)
dev = ap->a_vp->v_rdev;
dsw = devsw(dev);
if (!(dsw->d_flags & D_KQFILTER))
return (1);
if (dsw->d_flags & D_NOGIANT) {
DROP_GIANT();
error = dsw->d_kqfilter(dev, ap->a_kn);

2
sys/i386/isa/cx.c
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@ -81,7 +81,7 @@ struct cdevsw cx_cdevsw = {
.d_poll = ttypoll,
.d_name = "cx",
.d_maj = CDEV_MAJOR,
.d_flags = D_TTY | D_KQFILTER,
.d_flags = D_TTY,
.d_kqfilter = ttykqfilter,
};

2
sys/i386/isa/cy.c
View File

@ -405,7 +405,7 @@ static struct cdevsw sio_cdevsw = {
.d_poll = ttypoll,
.d_name = driver_name,
.d_maj = CDEV_MAJOR,
.d_flags = D_TTY | D_KQFILTER,
.d_flags = D_TTY,
.d_kqfilter = ttykqfilter,
};

2
sys/i386/isa/istallion.c
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@ -650,7 +650,7 @@ static struct cdevsw stli_cdevsw = {
.d_poll = ttypoll,
.d_name = stli_drvname,
.d_maj = CDEV_MAJOR,
.d_flags = D_TTY | D_KQFILTER,
.d_flags = D_TTY,
.d_kqfilter = ttykqfilter,
};

2
sys/i386/isa/pcvt/pcvt_drv.c
View File

@ -105,7 +105,7 @@ static struct cdevsw vt_cdevsw = {
.d_mmap = pcvt_mmap,
.d_name = "vt",
.d_maj = CDEV_MAJOR,
.d_flags = D_TTY | D_KQFILTER,
.d_flags = D_TTY,
.d_kqfilter = ttykqfilter,
};

2
sys/i386/isa/stallion.c
View File

@ -544,7 +544,7 @@ static struct cdevsw stl_cdevsw = {
.d_poll = ttypoll,
.d_name = "stl",
.d_maj = CDEV_MAJOR,
.d_flags = D_TTY | D_KQFILTER,
.d_flags = D_TTY,
.d_kqfilter = ttykqfilter,
};

2
sys/kern/subr_xxx.c
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@ -128,7 +128,7 @@ nokqfilter(dev, kn)
struct knote *kn;
{
return (ENODEV);
return (1);
}
int

2
sys/kern/tty_cons.c
View File

@ -79,7 +79,7 @@ static struct cdevsw cn_cdevsw = {
.d_poll = cnpoll,
.d_name = "console",
.d_maj = CDEV_MAJOR,
.d_flags = D_TTY | D_KQFILTER,
.d_flags = D_TTY,
.d_kqfilter = cnkqfilter,
};

4
sys/kern/tty_pty.c
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@ -85,7 +85,7 @@ static struct cdevsw pts_cdevsw = {
.d_poll = ttypoll,
.d_name = "pts",
.d_maj = CDEV_MAJOR_S,
.d_flags = D_TTY | D_KQFILTER,
.d_flags = D_TTY,
.d_kqfilter = ttykqfilter,
};
@ -99,7 +99,7 @@ static struct cdevsw ptc_cdevsw = {
.d_poll = ptcpoll,
.d_name = "ptc",
.d_maj = CDEV_MAJOR_C,
.d_flags = D_TTY | D_KQFILTER,
.d_flags = D_TTY,
.d_kqfilter = ttykqfilter,
};

1
sys/net/if.c
View File

@ -136,7 +136,6 @@ static struct cdevsw net_cdevsw = {
.d_ioctl = netioctl,
.d_name = "net",
.d_maj = MAJOR_AUTO,
.d_flags = D_KQFILTER,
.d_kqfilter = netkqfilter,
};

2
sys/pc98/cbus/sio.c
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@ -415,7 +415,7 @@ static struct cdevsw sio_cdevsw = {
.d_poll = ttypoll,
.d_name = sio_driver_name,
.d_maj = CDEV_MAJOR,
.d_flags = D_TTY | D_KQFILTER,
.d_flags = D_TTY,
.d_kqfilter = ttykqfilter,
};

2
sys/pc98/pc98/sio.c
View File

@ -415,7 +415,7 @@ static struct cdevsw sio_cdevsw = {
.d_poll = ttypoll,
.d_name = sio_driver_name,
.d_maj = CDEV_MAJOR,
.d_flags = D_TTY | D_KQFILTER,
.d_flags = D_TTY,
.d_kqfilter = ttykqfilter,
};

2
sys/pc98/pc98/syscons.c
View File

@ -221,7 +221,7 @@ static struct cdevsw sc_cdevsw = {
.d_mmap = scmmap,
.d_name = "sc",
.d_maj = CDEV_MAJOR,
.d_flags = D_TTY | D_KQFILTER,
.d_flags = D_TTY,
.d_kqfilter = ttykqfilter
};

1
sys/sys/conf.h
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@ -213,7 +213,6 @@ typedef int dumper_t(
#define D_NAGGED 0x00020000 /* nagged about missing make_dev() */
#define D_TRACKCLOSE 0x00080000 /* track all closes */
#define D_MMAP_ANON 0x00100000 /* special treatment in vm_mmap.c */
#define D_KQFILTER 0x00200000 /* has kqfilter entry */
#define D_NOGIANT 0x00400000 /* Doesn't want Giant */
/*

1
sys/sys/linedisc.h
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@ -213,7 +213,6 @@ typedef int dumper_t(
#define D_NAGGED 0x00020000 /* nagged about missing make_dev() */
#define D_TRACKCLOSE 0x00080000 /* track all closes */
#define D_MMAP_ANON 0x00100000 /* special treatment in vm_mmap.c */
#define D_KQFILTER 0x00200000 /* has kqfilter entry */
#define D_NOGIANT 0x00400000 /* Doesn't want Giant */
/*