On 11/10/2017 02:08 AM, James Smart wrote: > During driver unload, the driver may crash due to NULL pointers. > The NULL pointers were due to the driver not protecting itself > sufficiently during some of the teardown paths. > Additionally, the driver was not waiting for and cleanup up nvme > io resources. As such, the driver wasn't making the callbacks > to the transport, stalling the transports association teardown. > > This patch waits for io clean up before tearding down and adds > checks for possible NULL pointers. > > Cc: <stable@xxxxxxxxxxxxxxx> # 4.12+ > Signed-off-by: Dick Kennedy <dick.kennedy@xxxxxxxxxxxx> > Signed-off-by: James Smart <james.smart@xxxxxxxxxxxx> > --- > drivers/scsi/lpfc/lpfc_crtn.h | 2 + > drivers/scsi/lpfc/lpfc_init.c | 18 ++++++++ > drivers/scsi/lpfc/lpfc_nvme.c | 96 ++++++++++++++++++++++++++++++++++++++----- > 3 files changed, 105 insertions(+), 11 deletions(-) > Reviewed-by: Hannes Reinecke <hare@xxxxxxxx> Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@xxxxxxx +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG Nürnberg)