On Wed, 21 Aug 2024, Andy Shevchenko wrote: > In the similar way, ignore 0 error code (AKA "success") in > dev_err_probe(). This helps to simplify a code such as > > if (ret < 0) > return dev_err_probe(int3472->dev, ret, err_msg); > > return ret; > > to > > return dev_err_probe(int3472->dev, ret, err_msg); > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> > --- > drivers/base/core.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/base/core.c b/drivers/base/core.c > index 6d3897492285..144cb8c201fb 100644 > --- a/drivers/base/core.c > +++ b/drivers/base/core.c > @@ -5046,6 +5046,10 @@ int dev_err_probe(const struct device *dev, int err, const char *fmt, ...) > */ > break; > > + case 0: > + /* Success, no need to issue an error message */ > + break; > + > default: > dev_err(dev, "error %pe: %pV", ERR_PTR(err), &vaf); > break; > This seems generally useful, Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx> A nit, the code sequence that dev_err_probe() is documented to replace is no longer matches with the behavior (the else would need if (err < 0) added). -- i.