net: qed: Fix memcpy() overflow of qed_dcbx_params()

[linux-2.6-microblaze.git] / drivers / net / ethernet / qlogic / qed / qed_dcbx.c

diff --git a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
index 17d5b64..e81dd34 100644 (file)
--- a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
@@ -1266,9 +1266,11 @@ int qed_dcbx_get_config_params(struct qed_hwfn *p_hwfn,
                p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_STATIC;
 
        p_hwfn->p_dcbx_info->set.enabled = dcbx_info->operational.enabled;
+       BUILD_BUG_ON(sizeof(dcbx_info->operational.params) !=
+                    sizeof(p_hwfn->p_dcbx_info->set.config.params));
        memcpy(&p_hwfn->p_dcbx_info->set.config.params,
               &dcbx_info->operational.params,
-              sizeof(struct qed_dcbx_admin_params));
+              sizeof(p_hwfn->p_dcbx_info->set.config.params));
        p_hwfn->p_dcbx_info->set.config.valid = true;
 
        memcpy(params, &p_hwfn->p_dcbx_info->set, sizeof(struct qed_dcbx_set));