lf cleanup - fixes

[proxmark3-svn] / client / cmddata.c

diff --git a/client/cmddata.c b/client/cmddata.c
index d4fc997b94941d125f52d27e7b0e4372a114e131..18b59f21bde0c836384c26f34ae7288d75259732 100644 (file)
--- a/client/cmddata.c
+++ b/client/cmddata.c
@@ -2020,7 +2020,7 @@ int CmdLoad(const char *Cmd)
 int CmdLtrim(const char *Cmd)
 {
        int ds = atoi(Cmd);
-
+       if (GraphTraceLen<=0) return 0;
        for (int i = ds; i < GraphTraceLen; ++i)
                GraphBuffer[i-ds] = GraphBuffer[i];
        GraphTraceLen -= ds;