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Fix tftp block rollover
[oweals/nmrpflash.git]
/
tftp.c
diff --git
a/tftp.c
b/tftp.c
index de8f765d010214cb3727d52892cabe2d2593e52d..06258dc4259e6967e6cf0fae71000b2a44e729cf 100644
(file)
--- 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);