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Whine about any drivers which hardcode the device major number.

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This commit is contained in:
Poul-Henning Kamp 2005-02-27 22:41:07 +00:00
parent 5836249aee
commit 84f580a093
1 changed files with 5 additions and 11 deletions
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16
sys/kern/kern_conf.c
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@ -426,18 +426,12 @@ prep_cdevsw(struct cdevsw *devsw)
devsw->d_flags |= D_INIT;
if (devsw->d_maj == MAJOR_AUTO) {
find_major(devsw);
} else {
KASSERT(devsw->d_maj >= 0 && devsw->d_maj < 256,
("Invalid major (%d) in make_dev", devsw->d_maj));
if (reserved_majors[devsw->d_maj] != devsw->d_maj) {
printf("WARNING: driver \"%s\" used %s %d\n",
devsw->d_name, "unreserved major device number",
devsw->d_maj);
reserved_majors[devsw->d_maj] = devsw->d_maj;
}
if (devsw->d_maj != MAJOR_AUTO) {
printf("NOTICE: Ignoring d_maj hint from driver \"%s\", %s",
devsw->d_name, "driver should be updated/fixed\n");
devsw->d_maj = MAJOR_AUTO;
}
find_major(devsw);
dev_unlock();
}