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authorDavid Howells <dhowells@redhat.com>2016-09-17 11:49:12 +0200
committerDavid Howells <dhowells@redhat.com>2016-09-17 11:53:21 +0200
commitd01dc4c3c1209e865368d5f8d3b5e08f97326ca9 (patch)
tree8c32fce41fdcf639de475dffac852577a2bc40ab
parentrxrpc: Fix unexposed client conn release (diff)
downloadlinux-d01dc4c3c1209e865368d5f8d3b5e08f97326ca9.tar.xz
linux-d01dc4c3c1209e865368d5f8d3b5e08f97326ca9.zip
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>
-rw-r--r--net/rxrpc/input.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c
index f0d9115b9b7e..c1f83d22f9b7 100644
--- a/net/rxrpc/input.c
+++ b/net/rxrpc/input.c
@@ -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;