Calls to starget_to_rport() may return null. Add check for null rport before dereference.

Fixes: bb21fc9911ee ("scsi: lpfc: Use fc_block_rport()") Cc: stable@vger.kernel.org # v5.18 Co-developed-by: Justin Tee justin.tee@broadcom.com Signed-off-by: Justin Tee justin.tee@broadcom.com Signed-off-by: James Smart jsmart2021@gmail.com --- drivers/scsi/lpfc/lpfc_scsi.c | 6 ++++++ 1 file changed, 6 insertions(+)

diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index f5f4409e24cd..cb5e4e63ac44 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -6060,6 +6060,9 @@ lpfc_device_reset_handler(struct scsi_cmnd *cmnd) int status; u32 logit = LOG_FCP;

+ if (!rport) + return FAILED; + rdata = rport->dd_data; if (!rdata || !rdata->pnode) { lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, @@ -6138,6 +6141,9 @@ lpfc_target_reset_handler(struct scsi_cmnd *cmnd) unsigned long flags; DECLARE_WAIT_QUEUE_HEAD_ONSTACK(waitq);

+ if (!rport) + return FAILED; + rdata = rport->dd_data; if (!rdata || !rdata->pnode) { lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,