From: Nilesh Javali njavali@marvell.com
commit af73f23a27206ffb3c477cac75b5fcf03410556e upstream.
Klocwork reported warning of rport maybe NULL and will be dereferenced. rport returned by call to fc_bsg_to_rport() could be NULL and dereferenced.
Check valid rport returned by fc_bsg_to_rport().
Cc: stable@vger.kernel.org Signed-off-by: Nilesh Javali njavali@marvell.com Link: https://lore.kernel.org/r/20230607113843.37185-5-njavali@marvell.com Reviewed-by: Himanshu Madhani himanshu.madhani@oracle.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/scsi/qla2xxx/qla_bsg.c | 4 ++++ 1 file changed, 4 insertions(+)
--- a/drivers/scsi/qla2xxx/qla_bsg.c +++ b/drivers/scsi/qla2xxx/qla_bsg.c @@ -259,6 +259,10 @@ qla2x00_process_els(struct bsg_job *bsg_
if (bsg_request->msgcode == FC_BSG_RPT_ELS) { rport = fc_bsg_to_rport(bsg_job); + if (!rport) { + rval = -ENOMEM; + goto done; + } fcport = *(fc_port_t **) rport->dd_data; host = rport_to_shost(rport); vha = shost_priv(host);