Re: [PATCH] input: imon driver for SoundGraph iMON/Antec Veris IR devices

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On 12/29/2009 12:01 PM, Dan Carpenter wrote:

I ran smatch (http://repo.or.cz/w/smatch.git) on it and there are
some bugs worth fixing.

drivers/input/misc/imon.c +331 free_imon_context(7) error: dereferencing freed memory 'context'
Move the debug line earlier.

drivers/input/misc/imon.c +1812 imon_probe(216) error: dereferencing undefined:  'context->idev'
drivers/input/misc/imon.c +1876 imon_probe(280) error: dereferencing undefined:  'context->touch'
The allocation func can return NULL.  They probably won't fail in real
life, but it will slightly annoy every person checking running smatch
over the entire kernel (me).

drivers/input/misc/imon.c +1979 imon_probe(383) error: double unlock 'mutex:&context->lock'
drivers/input/misc/imon.c +1983 imon_probe(387) error: double unlock 'mutex:&context->lock'
It sometimes unlocks both before and after the goto.

Yeah, I think I've actually already fixed every one of these problems in the past 24 hours (a few just a few minutes ago), stay tuned for a repost, hopefully later today. :)

Thanks much,

--
Jarod Wilson
jarod@xxxxxxxxxxxx
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