diff --git a/docs/system/devices/can.rst b/docs/system/devices/can.rst
index 16d72c3..fe37af8 100644
--- a/docs/system/devices/can.rst
+++ b/docs/system/devices/can.rst
@@ -182,7 +182,7 @@
  (5) `GNU/Linux, CAN and CANopen in Real-time Control Applications Slides from LinuxDays 2017 (include updated RTLWS 2015 content) <https://www.linuxdays.cz/2017/video/Pavel_Pisa-CAN_canopen.pdf>`_
  (6) `Linux SocketCAN utilities <https://github.com/linux-can/can-utils>`_
  (7) `CTU CAN FD project including core VHDL design, Linux driver, test utilities etc. <https://gitlab.fel.cvut.cz/canbus/ctucanfd_ip_core>`_
- (8) `CTU CAN FD Core Datasheet Documentation <http://canbus.pages.fel.cvut.cz/ctucanfd_ip_core/Progdokum.pdf>`_
- (9) `CTU CAN FD Core System Architecture Documentation <http://canbus.pages.fel.cvut.cz/ctucanfd_ip_core/ctu_can_fd_architecture.pdf>`_
- (10) `CTU CAN FD Driver Documentation <http://canbus.pages.fel.cvut.cz/ctucanfd_ip_core/driver_doc/ctucanfd-driver.html>`_
+ (8) `CTU CAN FD Core Datasheet Documentation <http://canbus.pages.fel.cvut.cz/ctucanfd_ip_core/doc/Datasheet.pdf>`_
+ (9) `CTU CAN FD Core System Architecture Documentation <http://canbus.pages.fel.cvut.cz/ctucanfd_ip_core/doc/System_Architecture.pdf>`_
+ (10) `CTU CAN FD Driver Documentation <https://canbus.pages.fel.cvut.cz/ctucanfd_ip_core/doc/linux_driver/build/ctucanfd-driver.html>`_
  (11) `Integration with PCIe interfacing for Intel/Altera Cyclone IV based board <https://gitlab.fel.cvut.cz/canbus/pcie-ctu_can_fd>`_
diff --git a/hw/nvram/xlnx-bbram.c b/hw/nvram/xlnx-bbram.c
index b70828e..6ed32ad 100644
--- a/hw/nvram/xlnx-bbram.c
+++ b/hw/nvram/xlnx-bbram.c
@@ -89,7 +89,7 @@
 
 static void bbram_bdrv_error(XlnxBBRam *s, int rc, gchar *detail)
 {
-    Error *errp;
+    Error *errp = NULL;
 
     error_setg_errno(&errp, -rc, "%s: BBRAM backstore %s failed.",
                      blk_name(s->blk), detail);