X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/516dbac2105d8195ba52f46f4d5d75d598868f45..1a4b907335746ab94eb8bb78e2625c6f98584ac3:/common/lfdemod.c

diff --git a/common/lfdemod.c b/common/lfdemod.c
index 55241143..6f490106 100644
--- a/common/lfdemod.c
+++ b/common/lfdemod.c
@@ -1448,10 +1448,10 @@ uint16_t countFC(uint8_t *BitStream, size_t size, uint8_t fskAdj)
 	uint8_t fcLens[] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
 	uint16_t fcCnts[] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
 	uint8_t fcLensFnd = 0;
-	uint8_t lastFCcnt=0;
+	uint8_t lastFCcnt = 0;
 	uint8_t fcCounter = 0;
 	size_t i;
-	if (size == 0) return 0;
+	if (size < 180) return 0;
 
 	// prime i to first up transition
 	for (i = 160; i < size-20; i++)