Hi!
On 21:56 Sat 03 Dec , onlyfever wrote:
> Hi,
> I have a question about work queue.
> I use queue_work() function in my TTY driver's write function (ch_tty_write()).
> The TTY driver works fine,but when this driver is called from
> ppp_write() function system would crash.
>
> static int ch_tty_write(struct tty_struct *tty,
> const unsigned char *buf, int count)
> {
> ......
> queue_work(xxx,xxxx);
> return count;
> }
>
> I want to know which context can't use queue_work() function?
> Put the crash message below.
>
> Unable to handle kernel NULL pointer dereference at virtual address 00000003
Please check that you have properly called "INIT_WORK" and do pass any null
pointers to either INIT_WORK or queue_work. If this does not help, please
give us a pointer on where to get your kernel tree.
-Michi
--
programing a layer 3+4 network protocol for mesh networks
see http://michaelblizek.twilightparadox.com
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