diff --git a/drivers/platform/msm/ipa/ipa_v3/ipa_qmi_service.c b/drivers/platform/msm/ipa/ipa_v3/ipa_qmi_service.c
index 690a9db67ff0..571852c076ea 100644
--- a/drivers/platform/msm/ipa/ipa_v3/ipa_qmi_service.c
+++ b/drivers/platform/msm/ipa/ipa_v3/ipa_qmi_service.c
@@ -807,6 +807,11 @@ int ipa3_qmi_filter_notify_send(
 		return -EINVAL;
 	}
 
+	if (req->source_pipe_index == -1) {
+		IPAWANERR("Source pipe index invalid\n");
+		return -EINVAL;
+	}
+
 	mutex_lock(&ipa3_qmi_lock);
 	if (ipa3_qmi_ctx != NULL) {
 		/* cache the qmi_filter_request */
diff --git a/drivers/platform/msm/ipa/ipa_v3/rmnet_ipa.c b/drivers/platform/msm/ipa/ipa_v3/rmnet_ipa.c
index 039bc7da5153..ee284b489fb8 100644
--- a/drivers/platform/msm/ipa/ipa_v3/rmnet_ipa.c
+++ b/drivers/platform/msm/ipa/ipa_v3/rmnet_ipa.c
@@ -702,6 +702,11 @@ static int ipa3_wwan_add_ul_flt_rule_to_ipa(void)
 	/* send ipa_fltr_installed_notif_req_msg_v01 to Q6*/
 	req->source_pipe_index =
 		ipa3_get_ep_mapping(IPA_CLIENT_APPS_WAN_PROD);
+	if (req->source_pipe_index == IPA_EP_NOT_ALLOCATED) {
+		IPAWANERR("ep mapping failed\n");
+		retval = -EFAULT;
+	}
+
 	req->install_status = QMI_RESULT_SUCCESS_V01;
 	req->rule_id_valid = 1;
 	req->rule_id_len = rmnet_ipa3_ctx->num_q6_rules;