On Thu, 9 Jun 2022 15:11:21 -0600 Logan Gunthorpe <logang@xxxxxxxxxxxx> wrote: > Not all struct superswitch implement a get_bad_blocks() function, > yet mdmon seems to call it without checking for NULL and thus > occasionally segfaults in the test 10ddf-geometry. > > Fix this by checking for NULL before calling it. > > Signed-off-by: Logan Gunthorpe <logang@xxxxxxxxxxxx> > --- Acked-by: Mariusz Tkaczyk <mariusz.tkaczyk@xxxxxxxxxxxxxxx>