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sctp: make use of gfp on retransmissions

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Retransmissions may be triggered when in user context, so lets make use
of gfp.

Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Marcelo Ricardo Leitner 2018-05-14 14:34:42 -03:00 committed by David S. Miller
parent 4bf21b61f2
commit 6605f69482
1 changed files with 9 additions and 8 deletions
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17
net/sctp/outqueue.c
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@ -608,7 +608,7 @@ void sctp_retransmit(struct sctp_outq *q, struct sctp_transport *transport,
* The return value is a normal kernel error return value.
*/
static int __sctp_outq_flush_rtx(struct sctp_outq *q, struct sctp_packet *pkt,
int rtx_timeout, int *start_timer)
int rtx_timeout, int *start_timer, gfp_t gfp)
{
struct sctp_transport *transport = pkt->transport;
struct sctp_chunk *chunk, *chunk1;
@ -684,12 +684,12 @@ redo:
* control chunks are already freed so there
* is nothing we can do.
*/
sctp_packet_transmit(pkt, GFP_ATOMIC);
sctp_packet_transmit(pkt, gfp);
goto redo;
}
/* Send this packet. */
error = sctp_packet_transmit(pkt, GFP_ATOMIC);
error = sctp_packet_transmit(pkt, gfp);
/* If we are retransmitting, we should only
* send a single packet.
@ -705,7 +705,7 @@ redo:
case SCTP_XMIT_RWND_FULL:
/* Send this packet. */
error = sctp_packet_transmit(pkt, GFP_ATOMIC);
error = sctp_packet_transmit(pkt, gfp);
/* Stop sending DATA as there is no more room
* at the receiver.
@ -715,7 +715,7 @@ redo:
case SCTP_XMIT_DELAY:
/* Send this packet. */
error = sctp_packet_transmit(pkt, GFP_ATOMIC);
error = sctp_packet_transmit(pkt, gfp);
/* Stop sending DATA because of nagle delay. */
done = 1;
@ -991,7 +991,7 @@ static void sctp_outq_flush_ctrl(struct sctp_outq *q,
static bool sctp_outq_flush_rtx(struct sctp_outq *q,
struct sctp_transport **_transport,
struct list_head *transport_list,
int rtx_timeout)
int rtx_timeout, gfp_t gfp)
{
struct sctp_transport *transport = *_transport;
struct sctp_packet *packet = transport ? &transport->packet : NULL;
@ -1015,7 +1015,8 @@ static bool sctp_outq_flush_rtx(struct sctp_outq *q,
asoc->peer.ecn_capable);
}
error = __sctp_outq_flush_rtx(q, packet, rtx_timeout, &start_timer);
error = __sctp_outq_flush_rtx(q, packet, rtx_timeout, &start_timer,
gfp);
if (error < 0)
asoc->base.sk->sk_err = -error;
@ -1074,7 +1075,7 @@ static void sctp_outq_flush_data(struct sctp_outq *q,
*/
if (!list_empty(&q->retransmit)) {
if (!sctp_outq_flush_rtx(q, _transport, transport_list,
rtx_timeout))
rtx_timeout, gfp))
break;
/* We may have switched current transport */
transport = *_transport;