[PATCH] When setting the serial port, the previous settings need to be preserved.

[Denis Kenzior]

Hi Ryan,

> > You're blowing away the result of cfmakeraw.  Most of the devices are not
> > true serial devices and so do not need any of the special options. 
> > Passing a NULL options GHashTable should result in cfmakeraw.  Why don't
> > you just pass all the options you need instead of using tcgetattr?
>
> Should i just move the tcgetattr() to happen before cfmakeraw()?

Only one (executed last) will have effect, and I want it to be the cfmakeraw.  
So simply get rid of tcgetattr.

>
> > The other parts of the patch look good to me.
>
> Ok. Why don't i just add the string options ("read", others...) in
> gattty.c?

This is what I would prefer.

Regards,
-Denis