On Thu, 2007-02-01 at 16:16 +0100, Miguel Ojeda wrote:
> The problem is easy:
>
> ks0108_init() prints the error message and exit with -EINVAL, so the
> module isn't loaded properly.
>
> However, cfag12864b_init() is called, although ks0108 failed. It
> returns 0 and after a while cfag12864b calls ks0108_writecontrol()
> which dereferences the uninitialized pointer ks0108_parport:
>
> parport_write_control(ks0108_parport, byte ^ (bit(0) | bit(1) | bit(3)));
>
> Why is cfag12864b_init() called if ks0108 module didn't load properly?
> Is that normal? If so, how a module should alarm other modules about
> it failed loading?
I don't know if this matters, but I had this driver built-in , and not a
module ..
Daniel
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
