[ Upstream commit fba1bdd2a9a93f3e2181ec1936a3c2f6b37e7ed6 ]
In case iscsi_lookup_endpoint fails, the fix returns -EINVAL to avoid NULL pointer dereference.
Signed-off-by: Kangjie Lu kjlu@umn.edu Acked-by: Manish Rangankar mrangankar@marvell.com Reviewed-by: Mukesh Ojha mojha@codeaurora.org Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin (Microsoft) sashal@kernel.org --- drivers/scsi/qla4xxx/ql4_os.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index a9fac1eb8306..28f6d5ef04e0 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -3213,6 +3213,8 @@ static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, if (iscsi_conn_bind(cls_session, cls_conn, is_leading)) return -EINVAL; ep = iscsi_lookup_endpoint(transport_fd); + if (!ep) + return -EINVAL; conn = cls_conn->dd_data; qla_conn = conn->dd_data; qla_conn->qla_ep = ep->dd_data;