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-rw-r--r--net/tftp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/tftp.c b/net/tftp.c
index 6d333d559c..2e06808d16 100644
--- a/net/tftp.c
+++ b/net/tftp.c
@@ -281,7 +281,7 @@ static void update_block_number(void)
* number of 0 this means that there was a wrap
* around of the (16 bit) counter.
*/
- if (TftpBlock == 0) {
+ if (TftpBlock == 0 && TftpLastBlock != 0) {
TftpBlockWrap++;
TftpBlockWrapOffset += TftpBlkSize * TFTP_SEQUENCE_SIZE;
TftpTimeoutCount = 0; /* we've done well, reset thhe timeout */
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