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SubjectRe: 2.4.0-test8: Ooops in soundcore


On Sat, 9 Sep 2000, Peter Steiner wrote:

> new_fops = fops_get(s->unit_fops);
> 0x521 <soundcore_open+81>: movl 0x4(%ebx),%eax

ITYM

> #define fops_get(fops) \
> (((fops) && (fops)->owner) \
^^^^^^^^^^^^^ Bang!

fops (== s->unit_ops) points to hell.

> ? ( try_inc_mod_count((fops)->owner) ? (fops) : NULL ) \
> : (fops))
> ^^^^^^^^^^^^ Bang!


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