[LTP] [PATCH v1] Avoid messing with system tty in ioctl01.c

[Marius Kittler]

Am Montag, 11. September 2023, 17:14:53 CEST schrieb Cyril Hrubis:
> Hi!
> 
> > * Use `openpty()` to create a new tty
> > * Remove `-D` option
> > * Remove requirement to run as root
> > 
> > Signed-off-by: Marius Kittler <mkittler@suse.de>
> > ---
> > 
> >  runtest/syscalls                           |  2 +-
> >  testcases/kernel/syscalls/ioctl/ioctl01.c  | 25 ++++++++++------------
> >  testcases/kernel/syscalls/ioctl/test_ioctl | 23 --------------------
> >  3 files changed, 12 insertions(+), 38 deletions(-)
> > 
> > diff --git a/runtest/syscalls b/runtest/syscalls
> > index b1125dd75..f999bd74f 100644
> > --- a/runtest/syscalls
> > +++ b/runtest/syscalls
> > @@ -557,10 +557,10 @@ init_module01 init_module01
> > 
> >  init_module02 init_module02
> >  
> >  #Needs tty device.
> > 
> > -#ioctl01 ioctl01 -D /dev/tty0
> > 
> >  #ioctl02 ioctl02 -D /dev/tty0
> >  
> >  # Introducing ioctl tests for all /dev/tty* devices
> > 
> > +ioctl01      ioctl01
> > 
> >  ioctl01_02   test_ioctl
> 
> This should be renamed to ioctl02 now I suppose.
> 

Right, this should now be the only remaining test in `test_ioctl`.

> > 
> > -	if (!device)
> > -		tst_brk(TBROK, "You must specify a tty device with -D 
option");
> > +	if (openpty(&amaster, &aslave, NULL, &termios, NULL) < 0) {
> > +		tst_brk(TBROK | TERRNO, "unable to open pty");
> > +	}
> 
> It's better just to pass NULL instead of the zero filled &termios here.
> 

Makes sense.

> The rest looks good to me, if you agree I can merge the patch with the
> changes I've proposed.

Yes, go ahead.