/* AF_RXRPC local endpoint management * * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include #include #include #include #include #include #include #include "ar-internal.h" static const char rxrpc_version_string[65] = "linux-" UTS_RELEASE " AF_RXRPC"; /* * Reply to a version request */ static void rxrpc_send_version_request(struct rxrpc_local *local, struct rxrpc_host_header *hdr, struct sk_buff *skb) { struct rxrpc_wire_header whdr; struct rxrpc_skb_priv *sp = rxrpc_skb(skb); struct sockaddr_rxrpc srx; struct msghdr msg; struct kvec iov[2]; size_t len; int ret; _enter(""); if (rxrpc_extract_addr_from_skb(&srx, skb) < 0) return; msg.msg_name = &srx.transport; msg.msg_namelen = srx.transport_len; msg.msg_control = NULL; msg.msg_controllen = 0; msg.msg_flags = 0; whdr.epoch = htonl(sp->hdr.epoch); whdr.cid = htonl(sp->hdr.cid); whdr.callNumber = htonl(sp->hdr.callNumber); whdr.seq = 0; whdr.serial = 0; whdr.type = RXRPC_PACKET_TYPE_VERSION; whdr.flags = RXRPC_LAST_PACKET | (~hdr->flags & RXRPC_CLIENT_INITIATED); whdr.userStatus = 0; whdr.securityIndex = 0; whdr._rsvd = 0; whdr.serviceId = htons(sp->hdr.serviceId); iov[0].iov_base = &whdr; iov[0].iov_len = sizeof(whdr); iov[1].iov_base = (char *)rxrpc_version_string; iov[1].iov_len = sizeof(rxrpc_version_string); len = iov[0].iov_len + iov[1].iov_len; _proto("Tx VERSION (reply)"); ret = kernel_sendmsg(local->socket, &msg, iov, 2, len); if (ret < 0) _debug("sendmsg failed: %d", ret); _leave(""); } /* * Process event packets targetted at a local endpoint. */ void rxrpc_process_local_events(struct rxrpc_local *local) { struct sk_buff *skb; char v; _enter(""); skb = skb_dequeue(&local->event_queue); if (skb) { struct rxrpc_skb_priv *sp = rxrpc_skb(skb); rxrpc_see_skb(skb, rxrpc_skb_rx_seen); _debug("{%d},{%u}", local->debug_id, sp->hdr.type); switch (sp->hdr.type) { case RXRPC_PACKET_TYPE_VERSION: if (skb_copy_bits(skb, sizeof(struct rxrpc_wire_header), &v, 1) < 0) return; _proto("Rx VERSION { %02x }", v); if (v == 0) rxrpc_send_version_request(local, &sp->hdr, skb); break; default: /* Just ignore anything we don't understand */ break; } rxrpc_free_skb(skb, rxrpc_skb_rx_freed); } _leave(""); } 5709dbbaf90d3dd1'>root/sound/soc/codecs/mc13783.h
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authorAlexander Stein <alexander.stein@systec-electronic.com>2017-01-30 12:35:28 +0100
committerLinus Walleij <linus.walleij@linaro.org>2017-01-30 15:53:57 +0100
commitcdca06e4e85974d8a3503ab15709dbbaf90d3dd1 (patch)
tree268b0c01070a957006db97c88dccb5fb061440ff /sound/soc/codecs/mc13783.h
parent1b89970d81bbd52720fc64a3fe9572ee33588363 (diff)
pinctrl: baytrail: Add missing spinlock usage in byt_gpio_irq_handler
According to VLI64 Intel Atom E3800 Specification Update (#329901) concurrent read accesses may result in returning 0xffffffff and write accesses may be dropped silently. To workaround all accesses must be protected by locks. Cc: stable@vger.kernel.org Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'sound/soc/codecs/mc13783.h')