[PATCH] cmd: sf: Fix sf probe crash

[Weizhao Ouyang]

On Thu, Jan 4, 2024 at 8:00 PM Michal Simek <michal.simek at amd.com> wrote:
>
>
>
> On 1/4/24 12:46, Weizhao Ouyang wrote:
> > Handle the return value of spi_flash_probe_bus_cs() to avoid sf probe
> > crashes.
> >
> > Signed-off-by: Weizhao Ouyang <o451686892 at gmail.com>
> > ---
> >   cmd/sf.c | 5 +++--
> >   1 file changed, 3 insertions(+), 2 deletions(-)
> >
> > diff --git a/cmd/sf.c b/cmd/sf.c
> > index 730996c02b..e3866899f6 100644
> > --- a/cmd/sf.c
> > +++ b/cmd/sf.c
> > @@ -135,8 +135,9 @@ static int do_spi_flash_probe(int argc, char *const argv[])
> >       }
> >       flash = NULL;
> >       if (use_dt) {
> > -             spi_flash_probe_bus_cs(bus, cs, &new);
> > -             flash = dev_get_uclass_priv(new);
> > +             ret = spi_flash_probe_bus_cs(bus, cs, &new);
>
> if (ret)
>         return ret;
>
> don't you want to rather propagate that error?
>

Well, since the spi_flash is empty, the following code will
print the error message and return.

BR,
Weizhao