jtag/drivers/ti_icdi: do not segfault when adapter can't be opened

Change-Id: Id3af8dfd18b13947bca4f3c89c2516ccbcef60b6
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-on: http://openocd.zylin.com/2742
Tested-by: jenkins

diff --git a/src/jtag/drivers/ti_icdi_usb.c b/src/jtag/drivers/ti_icdi_usb.c
index 53abbfb4305afc7ac8245a5638f0bff9359f0a9d..ac4566232193572e16f915121b3a2206064611db 100644 (file)
--- a/src/jtag/drivers/ti_icdi_usb.c
+++ b/src/jtag/drivers/ti_icdi_usb.c
@@ -654,6 +654,9 @@ static int icdi_usb_close(void *handle)
 {
        struct icdi_usb_handle_s *h = handle;
 
+       if (!h)
+               return ERROR_OK;
+
        if (h->usb_dev)
                libusb_close(h->usb_dev);