In message <20031207173959.GE42518_at_cicely12.cicely.de>, Bernd Walter writes: >The situation was the following during driver development. >It's an USB driver and kldload'ed. >A plugged in device got major 247 for the nodes it created. >On unplugging the nodes were destroyed. >kldunloading the driver and kldloading the next revision created >nodes with major 246 for new devices. > >Do we have a leak with major numbers or is the old major number free >after last destroy_dev and assigning algorithm just took the next. Yes, repeatedly loading/unloading will leak majors. I have some ref-counting code to solve this problem. Warners axe-swinging in the old ISA drivers made it easier, but some necessary but uncommitted patches to the sound code from cg_at_ are still at road-block. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk_at_FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.Received on Sun Dec 07 2003 - 10:13:51 UTC
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