Deleted Added
full compact
devfs_rule.c (216461) devfs_rule.c (227489)
1/*-
2 * Copyright (c) 2002 Dima Dorfman.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
1/*-
2 * Copyright (c) 2002 Dima Dorfman.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/fs/devfs/devfs_rule.c 216461 2010-12-15 16:42:44Z jh $
26 * $FreeBSD: head/sys/fs/devfs/devfs_rule.c 227489 2011-11-13 17:06:33Z eadler $
27 */
28
29/*
30 * DEVFS ruleset implementation.
31 *
32 * A note on terminology: To "run" a rule on a dirent is to take the
33 * prescribed action; to "apply" a rule is to check whether it matches
34 * a dirent and run if if it does.

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612 de->de_mode = dr->dr_mode;
613 if (dr->dr_iacts & DRA_INCSET) {
614 /*
615 * XXX: we should tell the user if the depth is exceeded here
616 * XXX: but it is not obvious how to. A return value will
617 * XXX: not work as this is called when devices are created
618 * XXX: long time after the rules were instantiated.
619 * XXX: a printf() would probably give too much noise, or
27 */
28
29/*
30 * DEVFS ruleset implementation.
31 *
32 * A note on terminology: To "run" a rule on a dirent is to take the
33 * prescribed action; to "apply" a rule is to check whether it matches
34 * a dirent and run if if it does.

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612 de->de_mode = dr->dr_mode;
613 if (dr->dr_iacts & DRA_INCSET) {
614 /*
615 * XXX: we should tell the user if the depth is exceeded here
616 * XXX: but it is not obvious how to. A return value will
617 * XXX: not work as this is called when devices are created
618 * XXX: long time after the rules were instantiated.
619 * XXX: a printf() would probably give too much noise, or
620 * XXX: DoS the machine. I guess a a rate-limited message
620 * XXX: DoS the machine. I guess a rate-limited message
621 * XXX: might work.
622 */
623 if (depth > 0) {
624 ds = devfs_ruleset_bynum(dk->dk_rule.dr_incset);
625 KASSERT(ds != NULL, ("DRA_INCSET but bad dr_incset"));
626 devfs_ruleset_applyde(ds, de, depth - 1);
627 }
628 }

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621 * XXX: might work.
622 */
623 if (depth > 0) {
624 ds = devfs_ruleset_bynum(dk->dk_rule.dr_incset);
625 KASSERT(ds != NULL, ("DRA_INCSET but bad dr_incset"));
626 devfs_ruleset_applyde(ds, de, depth - 1);
627 }
628 }

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