On Fri, Nov 05 2021, Vineeth Vijayan <vneethv@xxxxxxxxxxxxx> wrote: > Check the validity of subchanel before reading other fields in > the schib. > > Fixes: d3683c055212 ("s390/cio: add dev_busid sysfs entry for each subchannel") > Reported-by: Cornelia Huck <cohuck@xxxxxxxxxx> > Signed-off-by: Vineeth Vijayan <vneethv@xxxxxxxxxxxxx> > --- > drivers/s390/cio/css.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>