On Thu, Jun 16, 2022 at 02:50:40PM +0200, Robin van der Gracht wrote: > When the parameter has no set function the previous (saved_value) is not > freed up on completion. > > Signed-off-by: Robin van der Gracht <robin@xxxxxxxxxxx> > --- > lib/parameter.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/lib/parameter.c b/lib/parameter.c > index adc3c7cdea..fe7e7b1ba4 100644 > --- a/lib/parameter.c > +++ b/lib/parameter.c > @@ -262,8 +262,10 @@ static int param_string_set(struct device_d *dev, struct param_d *p, const char > value_new = strim(value_new); > *ps->value = value_new; > > - if (!ps->set) > + if (!ps->set) { > + free(value_save); > return 0; > + } Fixing this bug reveals another one. We do a: value_new = xstrdup(val); value_new = strim(value_new); When 'val' has whitespaces at the beginning we no longer free the pointer originally returned from xstrdup, but the pointer with whitespaces stripped. I'll queue a fix for this before this patch. Sascha -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |