X-Git-Url: https://git.librecmc.org/?p=oweals%2Fnmrpflash.git;a=blobdiff_plain;f=tftp.c;fp=tftp.c;h=06258dc4259e6967e6cf0fae71000b2a44e729cf;hp=de8f765d010214cb3727d52892cabe2d2593e52d;hb=2d4a5948fc28e897fa9c2c48545106bb6d28793b;hpb=48a27e289c0d4816c1410b225565554cc405cde3

diff --git a/tftp.c b/tftp.c
index de8f765..06258dc 100644
--- a/tftp.c
+++ b/tftp.c
@@ -400,8 +400,10 @@ int tftp_put(struct nmrpd_args *args)
 
 		if (timeouts || ackblock == block) {
 			if (!timeouts) {
-				// TODO: set block to 1 if ++block == 0 ?
-				++block;
+				if (++block == 0) {
+					// rollover; skip to block 1
+					block = 1;
+				}
 
 				pkt_mknum(tx, DATA);
 				pkt_mknum(tx + 2, block);