diff options
| author | Ranjan Kumar <ranjan.kumar@broadcom.com> | 2023-02-28 17:08:31 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2023-03-07 02:33:12 +0300 |
| commit | 5b06a7169c59ce0c77ef8b9c82aa07c478f82aac (patch) | |
| tree | a040b4ac2ca7adc76dfd1d02e774bccef88a9e50 /drivers | |
| parent | 02ca7da2919ada525fb424640205110e24646b50 (diff) | |
| download | linux-5b06a7169c59ce0c77ef8b9c82aa07c478f82aac.tar.xz | |
scsi: mpi3mr: Driver unload crashes host when enhanced logging is enabled
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/mpi3mr/mpi3mr_transport.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr_transport.c b/drivers/scsi/mpi3mr/mpi3mr_transport.c index 3b61815979da..b795a325534d 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) |