target: report too-small parameter lists everywhere

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / target / target_core_alua.c

diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c
index 9179997..41641ba 100644 (file)
--- a/drivers/target/target_core_alua.c
+++ b/drivers/target/target_core_alua.c
@@ -218,6 +218,13 @@ int target_emulate_set_target_port_groups(struct se_cmd *cmd)
                cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
                return -EINVAL;
        }
+       if (cmd->data_length < 4) {
+               pr_warn("SET TARGET PORT GROUPS parameter list length %u too"
+                       " small\n", cmd->data_length);
+               cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+               return -EINVAL;
+       }
+
        buf = transport_kmap_data_sg(cmd);
 
        /*