jtag/mpsse: fix SIGSEGV for use after free

[openocd.git] / src / jtag / drivers / mpsse.c

diff --git a/src/jtag/drivers/mpsse.c b/src/jtag/drivers/mpsse.c
index 4e64fdbbfaaac0b7ec57ecaa5dec99c14894a54c..0e3d2be0e0d778b1d06af6320a9fe6039bda5113 100644 (file)
--- a/src/jtag/drivers/mpsse.c
+++ b/src/jtag/drivers/mpsse.c
@@ -945,12 +945,12 @@ error_check:
                retval = ERROR_OK;
        }
 
+       if (retval != ERROR_OK)
+               mpsse_purge(ctx);
+
        libusb_free_transfer(write_transfer);
        if (read_transfer)
                libusb_free_transfer(read_transfer);
 
-       if (retval != ERROR_OK)
-               mpsse_purge(ctx);
-
        return retval;
 }