X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/1f918317e2e59decbe862c3e1ad65a930e70ac52..cc15a1187b698d185a42fe956c0b68b9384eafdd:/client/cmddata.c

diff --git a/client/cmddata.c b/client/cmddata.c
index d4fc997b..18b59f21 100644
--- 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;