Re: irda weirdness

[Patrick McHardy]

Not sure about this but I think the problem might lie in ircomm_tty_write:

        spin_lock_irqsave(&self->spinlock, flags);
...
                /* Copy data */
                if (from_user)
                        copy_from_user(skb_put(skb,size), buf+len, size);
                else
                        memcpy(skb_put(skb,size), buf+len, size);
...
        spin_unlock_irqrestore(&self->spinlock, flags);

asm/uaccess.h:498 is might_sleep() in copy_from_user() in my tree so this
might be it. No fix though, I just noticed this bug some time ago and
completly forgot about it until now.

Regards,
Patrick

On Sun, 5 Oct 2003, Mikko Korhonen wrote:

>     Hi,
>
> I'm getting
> Debug: sleeping function called from invalid context at
> include/asm/uaccess.h:498
> and
> Badness in local_bh_enable at kernel/softirq.c:119
>  (look below) with plain 2.6.0-test6 and sir_dev ircomm_tty (as well as
> with other 2.6.0-tests).
>
> Mikko
>
>
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