Re: [PATCH] procfs bug exposed by cdev changes

[Olivier NICOLAS (olivn@trollprod.org)]

>       fs/inode.c assumes that any ->delete_inode() will call 
>clear_inode().
>procfs instance doesn't. It had passed unpunished for a while; cdev 
>changes
>combined with ALSA creating character devices in procfs made it fatal.
>
>        Patch follows. It had fixed ALSA-triggered memory corruption 
>here -
>what happens in vanilla 2.5.70 is that clear_inode() is not called when
>procfs character device inodes are freed. That leaves a freed inode on
>a cyclic list, with obvious unpleasantness following when we try to 
>traverse
>it (e.g. when unregistering a device).
>
>        Please, apply. Folks who'd seen oopsen/memory corruption after
>ALSA access - please, check if that fixes all problems.


modprobe snd-intel8x0
rmmod snd-intel8x0

ALSA works for me,

Thanks
Olivier



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