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rxrpc: Fix the parsing of soft-ACKs 

The soft-ACK parser doesn't increment the pointer into the soft-ACK list,
resulting in the first ACK/NACK value being applied to all the relevant
packets in the Tx queue.  This has the potential to miss retransmissions
and cause excessive retransmissions.

Fix this by incrementing the pointer.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells 2016-09-17 10:49:12 +01:00
parent 78883793f8
commit d01dc4c3c1
1 changed files with 1 additions and 1 deletions
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2
net/rxrpc/input.c
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@ -384,7 +384,7 @@ static void rxrpc_input_soft_acks(struct rxrpc_call *call, u8 *acks,
for (; nr_acks > 0; nr_acks--, seq++) {
ix = seq & RXRPC_RXTX_BUFF_MASK;
switch (*acks) {
switch (*acks++) {
case RXRPC_ACK_TYPE_ACK:
call->rxtx_annotations[ix] = RXRPC_TX_ANNO_ACK;
break;