X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/a6d4e93cb55b2cdfbdcb84a57ff3a3609325ec47..23af9327a53b865383271e5844f75997671b32aa:/client/proxmark3.c

diff --git a/client/proxmark3.c b/client/proxmark3.c
index d0e68b61..f7a87f6d 100644
--- a/client/proxmark3.c
+++ b/client/proxmark3.c
@@ -73,12 +73,11 @@ static void *uart_receiver(void *targ) {
 
 	while (arg->run) {
 		rxlen = 0;
-		if (uart_receive(sp, prx, sizeof(UsbCommand) - (prx-rx), &rxlen)) {
+		if (uart_receive(sp, prx, sizeof(UsbCommand) - (prx-rx), &rxlen) && rxlen) {
 			prx += rxlen;
 			if (prx-rx < sizeof(UsbCommand)) {
 				continue;
 			}
-			
 			UsbCommandReceived((UsbCommand*)rx);
 		}
 		prx = rx;