Code cleanup (#616)

[proxmark3-svn] / client / scripting.c

diff --git a/client/scripting.c b/client/scripting.c
index e73c7138930e4734977f81c5ba3dd086b3e2e04c..232da889703618914bd8e4ec73fcacb0332d559a 100644 (file)
--- a/client/scripting.c
+++ b/client/scripting.c
@@ -221,7 +221,7 @@ static int l_iso14443b_crc(lua_State *L)
        unsigned char buf[USB_CMD_DATA_SIZE];
        size_t len = 0;
        const char *data = luaL_checklstring(L, 1, &len);
-       if (USB_CMD_DATA_SIZE < len)
+       if (len > USB_CMD_DATA_SIZE-2)
                len =  USB_CMD_DATA_SIZE-2;
 
        for (int i = 0; i < len; i += 2) {