X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/cc4c8fd6cf06a0a305f899f29434a0b492ead0c8..e719470c461e38fb3ad99416d06fa1b5b19ff357:/client/cmdhflegic.c

diff --git a/client/cmdhflegic.c b/client/cmdhflegic.c
index ccdfa1da..731cead1 100644
--- a/client/cmdhflegic.c
+++ b/client/cmdhflegic.c
@@ -527,8 +527,7 @@ int CmdLegicRfRawWrite(const char *Cmd) {
 		PrintAndLog("# changing the DCF is irreversible  #");
 		PrintAndLog("#####################################");
 		PrintAndLog("do youe really want to continue? y(es) n(o)");		
-		scanf(" %c", &answer);
-		if (answer == 'y' || answer == 'Y') {
+		if (scanf(" %c", &answer) > 0 && (answer == 'y' || answer == 'Y')) {
 			SendCommand(&c);
 			return 0;
 		}
@@ -612,7 +611,7 @@ int CmdLegicCalcCrc8(const char *Cmd){
 	}
 	//Validations
 	if (errors){
-		if (data != NULL) free(data);
+		if (data) free(data);
 		return usage_legic_calccrc8();
 	}
 	
@@ -625,7 +624,7 @@ int CmdLegicCalcCrc8(const char *Cmd){
 			break;
 	}
 	
-	if (data != NULL) free(data);
+	if (data) free(data);
 	return 0;
 }