From: Ranjan Kumar ranjan.kumar@broadcom.com
[ Upstream commit 5b06a7169c59ce0c77ef8b9c82aa07c478f82aac ]
Prevent driver from trying to dereference a NULL pointer in a debug print while removing a device during driver unload.
Signed-off-by: Ranjan Kumar ranjan.kumar@broadcom.com Signed-off-by: Sreekanth Reddy sreekanth.reddy@broadcom.com Link: https://lore.kernel.org/r/20230228140835.4075-3-ranjan.kumar@broadcom.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/mpi3mr/mpi3mr_transport.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/mpi3mr/mpi3mr_transport.c b/drivers/scsi/mpi3mr/mpi3mr_transport.c index 3b61815979dab..b795a325534d3 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_transport.c +++ b/drivers/scsi/mpi3mr/mpi3mr_transport.c @@ -1552,7 +1552,8 @@ static void mpi3mr_sas_port_remove(struct mpi3mr_ioc *mrioc, u64 sas_address,
list_for_each_entry_safe(mr_sas_phy, next_phy, &mr_sas_port->phy_list, port_siblings) { - if ((mrioc->logging_level & MPI3_DEBUG_TRANSPORT_INFO)) + if ((!mrioc->stop_drv_processing) && + (mrioc->logging_level & MPI3_DEBUG_TRANSPORT_INFO)) dev_info(&mr_sas_port->port->dev, "remove: sas_address(0x%016llx), phy(%d)\n", (unsigned long long)