/* CMTP implementation for Linux Bluetooth stack (BlueZ). Copyright (C) 2002-2003 Marcel Holtmann This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS SOFTWARE IS DISCLAIMED. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "cmtp.h" static struct bt_sock_list cmtp_sk_list = { .lock = __RW_LOCK_UNLOCKED(cmtp_sk_list.lock) }; static int cmtp_sock_release(struct socket *sock) { struct sock *sk = sock->sk; BT_DBG("sock %p sk %p", sock, sk); if (!sk) return 0; bt_sock_unlink(&cmtp_sk_list, sk); sock_orphan(sk); sock_put(sk); return 0; } static int cmtp_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) { struct cmtp_connadd_req ca; struct cmtp_conndel_req cd; struct cmtp_connlist_req cl; struct cmtp_conninfo ci; struct socket *nsock; void __user *argp = (void __user *)arg; int err; BT_DBG("cmd %x arg %lx", cmd, arg); switch (cmd) { case CMTPCONNADD: if (!capable(CAP_NET_ADMIN)) return -EPERM; if (copy_from_user(&ca, argp, sizeof(ca))) return -EFAULT; nsock = sockfd_lookup(ca.sock, &err); if (!nsock) return err; if (nsock->sk->sk_state != BT_CONNECTED) { sockfd_put(nsock); return -EBADFD; } err = cmtp_add_connection(&ca, nsock); if (!err) { if (copy_to_user(argp, &ca, sizeof(ca))) err = -EFAULT; } else sockfd_put(nsock); return err; case CMTPCONNDEL: if (!capable(CAP_NET_ADMIN)) return -EPERM; if (copy_from_user(&cd, argp, sizeof(cd))) return -EFAULT; return cmtp_del_connection(&cd); case CMTPGETCONNLIST: if (copy_from_user(&cl, argp, sizeof(cl))) return -EFAULT; if (cl.cnum <= 0) return -EINVAL; err = cmtp_get_connlist(&cl); if (!err && copy_to_user(argp, &cl, sizeof(cl))) return -EFAULT; return err; case CMTPGETCONNINFO: if (copy_from_user(&ci, argp, sizeof(ci))) return -EFAULT; err = cmtp_get_conninfo(&ci); if (!err && copy_to_user(argp, &ci, sizeof(ci))) return -EFAULT; return err; } return -EINVAL; } #ifdef CONFIG_COMPAT static int cmtp_sock_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) { if (cmd == CMTPGETCONNLIST) { struct cmtp_connlist_req cl; u32 uci; int err; if (get_user(cl.cnum, (u32 __user *) arg) || get_user(uci, (u32 __user *) (arg + 4))) return -EFAULT; cl.ci = compat_ptr(uci); if (cl.cnum <= 0) return -EINVAL; err = cmtp_get_connlist(&cl); if (!err && put_user(cl.cnum, (u32 __user *) arg)) err = -EFAULT; return err; } return cmtp_sock_ioctl(sock, cmd, arg); } #endif static const struct proto_ops cmtp_sock_ops = { .family = PF_BLUETOOTH, .owner = THIS_MODULE, .release = cmtp_sock_release, .ioctl = cmtp_sock_ioctl, #ifdef CONFIG_COMPAT .compat_ioctl = cmtp_sock_compat_ioctl, #endif .bind = sock_no_bind, .getname = sock_no_getname, .sendmsg = sock_no_sendmsg, .recvmsg = sock_no_recvmsg, .poll = sock_no_poll, .listen = sock_no_listen, .shutdown = sock_no_shutdown, .setsockopt = sock_no_setsockopt, .getsockopt = sock_no_getsockopt, .connect = sock_no_connect, .socketpair = sock_no_socketpair, .accept = sock_no_accept, .mmap = sock_no_mmap }; static struct proto cmtp_proto = { .name = "CMTP", .owner = THIS_MODULE, .obj_size = sizeof(struct bt_sock) }; static int cmtp_sock_create(struct net *net, struct socket *sock, int protocol, int kern) { struct sock *sk; BT_DBG("sock %p", sock); if (sock->type != SOCK_RAW) return -ESOCKTNOSUPPORT; sk = sk_alloc(net, PF_BLUETOOTH, GFP_ATOMIC, &cmtp_proto, kern); if (!sk) return -ENOMEM; sock_init_data(sock, sk); sock->ops = &cmtp_sock_ops; sock->state = SS_UNCONNECTED; sock_reset_flag(sk, SOCK_ZAPPED); sk->sk_protocol = protocol; sk->sk_state = BT_OPEN; bt_sock_link(&cmtp_sk_list, sk); return 0; } static const struct net_proto_family cmtp_sock_family_ops = { .family = PF_BLUETOOTH, .owner = THIS_MODULE, .create = cmtp_sock_create }; int cmtp_init_sockets(void) { int err; err = proto_register(&cmtp_proto, 0); if (err < 0) return err; err = bt_sock_register(BTPROTO_CMTP, &cmtp_sock_family_ops); if (err < 0) { BT_ERR("Can't register CMTP socket"); goto error; } err = bt_procfs_init(&init_net, "cmtp", &cmtp_sk_list, NULL); if (err < 0) { BT_ERR("Failed to create CMTP proc file"); bt_sock_unregister(BTPROTO_HIDP); goto error; } BT_INFO("CMTP socket layer initialized"); return 0; error: proto_unregister(&cmtp_proto); return err; } void cmtp_cleanup_sockets(void) { bt_procfs_cleanup(&init_net, "cmtp"); bt_sock_unregister(BTPROTO_CMTP); proto_unregister(&cmtp_proto); } 7001c869f003e0b8dd2ddc104717 (diff)
Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann: "This is a rather large set of bugfixes, as we just returned from the Christmas break. Most of these are relatively unimportant fixes for regressions introduced during the merge window, and about half of the changes are for mach-omap2. A couple of patches are just cleanups and dead code removal that I would not normally have considered for merging after -rc2, but I decided to take them along with the fixes this time. Notable fixes include: - removing the skeleton.dtsi include broke a number of machines, and we have to put empty /chosen nodes back to be able to pass kernel command lines as before - enabling Samsung platforms no longer hardwires CONFIG_HZ to 200, as it had been for no good reason for a long time" * tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (46 commits) MAINTAINERS: extend PSCI entry to cover the newly add PSCI checker code drivers: psci: annotate timer on stack to silence odebug messages ARM64: defconfig: enable DRM_MESON as module ARM64: dts: meson-gx: Add Graphic Controller nodes ARM64: dts: meson-gxl: fix GPIO include ARM: dts: imx6: Disable "weim" node in the dtsi files ARM: dts: qcom: apq8064: Add missing scm clock ARM: davinci: da8xx: Fix sleeping function called from invalid context ARM: davinci: Make __clk_{enable,disable} functions public ARM: davinci: da850: don't add emac clock to lookup table twice ARM: davinci: da850: fix infinite loop in clk_set_rate() ARM: i.MX: remove map_io callback ARM: dts: vf610-zii-dev-rev-b: Add missing newline ARM: dts: imx6qdl-nitrogen6x: remove duplicate iomux entry ARM: dts: imx31: fix AVIC base address ARM: dts: am572x-idk: Add gpios property to control PCIE_RESETn arm64: dts: vexpress: Support GICC_DIR operations ARM: dts: vexpress: Support GICC_DIR operations firmware: arm_scpi: fix reading sensor values on pre-1.0 SCPI firmwares arm64: dts: msm8996: Add required memory carveouts ...
Diffstat (limited to 'net/nfc/hci')