[PATCH rtems6 - v1 06/16] Flashdev: Make mutex name more generic

Kinsey Moore kinsey.moore at oarcorp.com
Mon Jan 8 19:34:53 UTC 2024


On Mon, Jan 8, 2024 at 7:13 AM Sebastian Huber <
sebastian.huber at embedded-brains.de> wrote:

> On 04.01.24 19:34, berndmoessner80 at gmail.com wrote:
> > @@ -490,7 +491,9 @@ static int rtems_flashdev_do_init(
> >     void ( *destroy )( rtems_flashdev *flash )
> >   )
> >   {
> > -  rtems_recursive_mutex_init( &flash->mutex, "RTEMS_FLASHDEV Flash" );
> > +  char mtx_name[19];
> > +  sprintf(mtx_name, "FDEV_MTX_%08x", (unsigned int) flash);
> > +  rtems_recursive_mutex_init( &flash->mutex, (const char*) &mtx_name);
>
> The mutex name must exist throughout the life-time of the mutex object.
> So, here you can't use a name on a thread stack.
>

This was fixed in a later patch in the set and appears to have been dropped
entirely from the v2 patch set.

Kinsey
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