2.4.21-pre2 Oops in i810_audio.c

[Patrick McHardy]

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Hi Alan,

i810_audio oopses in 2.4.21-pre2, i also tried 2.4.20-ac2 some time ago 
but i don't have the oops handy. There seem to be too different problems,
the first one is ac97_codec recognizing my codec as a softmodem (it works 
fine with 2.4.18), the second is i810_audio:i810_set_dac_channels doesn't 
check if state->card->ac97_codec[0] is NULL. 

Attached you'll find dmesg and ksymoops output.
I don't know how much i810_audio/ac97_codec from 2.4.21-pre2 and 
2.4.20-ac2 differ, just tell me if you need the resulting Oops from -ac.

Regards,
Patrick

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