Hi Ilpo, On 3/11/2024 6:52 AM, Ilpo Järvinen wrote: > The struct resctrl_val_param has control and monitor groups as char > arrays but they are not supposed to be mutated within resctrl_val(). > > Convert the ctrlgrp and mongrp char array within resctrl_val_param to > plain const char pointers and adjust the strlen() based checks to > check NULL instead. > > Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx> > --- > tools/testing/selftests/resctrl/resctrl.h | 4 ++-- > tools/testing/selftests/resctrl/resctrlfs.c | 8 ++++---- > 2 files changed, 6 insertions(+), 6 deletions(-) > > diff --git a/tools/testing/selftests/resctrl/resctrl.h b/tools/testing/selftests/resctrl/resctrl.h > index 52769b075233..54e5bce4c698 100644 > --- a/tools/testing/selftests/resctrl/resctrl.h > +++ b/tools/testing/selftests/resctrl/resctrl.h > @@ -89,8 +89,8 @@ struct resctrl_test { > */ > struct resctrl_val_param { > char *resctrl_val; > - char ctrlgrp[64]; > - char mongrp[64]; > + const char *ctrlgrp; > + const char *mongrp; > char filename[64]; > unsigned long mask; > int num_of_runs; > diff --git a/tools/testing/selftests/resctrl/resctrlfs.c b/tools/testing/selftests/resctrl/resctrlfs.c > index 79cf1c593106..dbe0cc6d74fa 100644 > --- a/tools/testing/selftests/resctrl/resctrlfs.c > +++ b/tools/testing/selftests/resctrl/resctrlfs.c > @@ -469,7 +469,7 @@ static int create_grp(const char *grp_name, char *grp, const char *parent_grp) > * length of grp_name == 0, it means, user wants to use root con_mon > * grp, so do nothing > */ Could you please confirm that the comments are still accurate? > - if (strlen(grp_name) == 0) > + if (!grp_name) > return 0; > Reinette