Fix two oversights here: don't trash the freelist, and properly cleanup
the cdevsw{}. Submitted by: tegge
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652d04726d
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=126156
@ -287,6 +287,7 @@ allocdev(void)
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if (LIST_FIRST(&dev_free)) {
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si = LIST_FIRST(&dev_free);
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LIST_REMOVE(si, si_hash);
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} else if (stashed >= DEVT_STASH) {
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MALLOC(si, struct cdev *, sizeof(*si), M_DEVT,
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M_USE_RESERVE | M_ZERO | M_WAITOK);
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@ -399,7 +400,9 @@ fini_cdevsw(struct cdevsw *devsw)
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reserved_majors[devsw->d_maj] = 0;
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devsw->d_maj = MAJOR_AUTO;
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devsw->d_flags &= ~D_ALLOCMAJ;
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}
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} else if (devsw->d_maj == 0)
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devsw->d_maj = 256;
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devsw->d_flags &= ~D_INIT;
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}
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static void
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