"tftp: allocate buffers and fifo dynamically" broke WRQ support. Reenable it.
Signed-off-by: Enrico Scholz <[email protected]> --- fs/tftp.c | 30 ++++++++++++++++++++++-------- 1 file changed, 22 insertions(+), 8 deletions(-) diff --git a/fs/tftp.c b/fs/tftp.c index c00857ecfa28..174365d6ed0a 100644 --- a/fs/tftp.c +++ b/fs/tftp.c @@ -673,22 +673,36 @@ static void tftp_recv(struct file_priv *priv, if (!priv->push) break; - priv->block = ntohs(*(uint16_t *)pkt); - if (priv->block != priv->last_block) { - pr_vdebug("ack %d != %d\n", priv->block, priv->last_block); + block = ntohs(*(uint16_t *)pkt); + if (block != priv->last_block) { + pr_vdebug("ack %d != %d\n", block, priv->last_block); break; } - priv->block++; + switch (priv->state) { + case STATE_WRQ: + priv->tftp_con->udp->uh_dport = uh_sport; + priv->state = STATE_START; + break; - tftp_timer_reset(priv); + case STATE_WAITACK: + priv->state = STATE_WDATA; + break; - if (priv->state == STATE_LAST) { + case STATE_LAST: priv->state = STATE_DONE; break; + + default: + pr_warn("ACK packet in %s state\n", + tftp_states[priv->state]); + goto ack_out; } - priv->tftp_con->udp->uh_dport = uh_sport; - priv->state = STATE_WDATA; + + priv->block = block + 1; + tftp_timer_reset(priv); + + ack_out: break; case TFTP_OACK: -- 2.37.2
