X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=net%2Fbluetooth%2Fhidp%2Fsock.c;h=407fba43c1b973cda01122be9cc3dce198c2b930;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=315f4354f052a7fc589e124df0ac16de1a4d1458;hpb=5fc42a6ed0ec81088c37caadb45898ae6cd0ad2c;p=linux-2.6.git diff --git a/net/bluetooth/hidp/sock.c b/net/bluetooth/hidp/sock.c index 315f4354f..407fba43c 100644 --- a/net/bluetooth/hidp/sock.c +++ b/net/bluetooth/hidp/sock.c @@ -20,13 +20,12 @@ SOFTWARE IS DISCLAIMED. */ -#include #include #include +#include #include #include -#include #include #include #include @@ -36,6 +35,7 @@ #include #include #include +#include #include #include "hidp.h" @@ -144,11 +144,88 @@ static int hidp_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long return -EINVAL; } -static struct proto_ops hidp_sock_ops = { +#ifdef CONFIG_COMPAT +struct compat_hidp_connadd_req { + int ctrl_sock; // Connected control socket + int intr_sock; // Connteted interrupt socket + __u16 parser; + __u16 rd_size; + compat_uptr_t rd_data; + __u8 country; + __u8 subclass; + __u16 vendor; + __u16 product; + __u16 version; + __u32 flags; + __u32 idle_to; + char name[128]; +}; + +static int hidp_sock_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) +{ + if (cmd == HIDPGETCONNLIST) { + struct hidp_connlist_req cl; + uint32_t uci; + int err; + + if (get_user(cl.cnum, (uint32_t __user *) arg) || + get_user(uci, (u32 __user *) (arg + 4))) + return -EFAULT; + + cl.ci = compat_ptr(uci); + + if (cl.cnum <= 0) + return -EINVAL; + + err = hidp_get_connlist(&cl); + + if (!err && put_user(cl.cnum, (uint32_t __user *) arg)) + err = -EFAULT; + + return err; + } else if (cmd == HIDPCONNADD) { + struct compat_hidp_connadd_req ca; + struct hidp_connadd_req __user *uca; + + uca = compat_alloc_user_space(sizeof(*uca)); + + if (copy_from_user(&ca, (void *) arg, sizeof(ca))) + return -EFAULT; + + if (put_user(ca.ctrl_sock, &uca->ctrl_sock) || + put_user(ca.intr_sock, &uca->intr_sock) || + put_user(ca.parser, &uca->parser) || + put_user(ca.rd_size, &uca->parser) || + put_user(compat_ptr(ca.rd_data), &uca->rd_data) || + put_user(ca.country, &uca->country) || + put_user(ca.subclass, &uca->subclass) || + put_user(ca.vendor, &uca->vendor) || + put_user(ca.product, &uca->product) || + put_user(ca.version, &uca->version) || + put_user(ca.flags, &uca->flags) || + put_user(ca.idle_to, &uca->idle_to) || + copy_to_user(&uca->name[0], &ca.name[0], 128)) + return -EFAULT; + + arg = (unsigned long) uca; + + /* Fall through. We don't actually write back any _changes_ + to the structure anyway, so there's no need to copy back + into the original compat version */ + } + + return hidp_sock_ioctl(sock, cmd, arg); +} +#endif + +static const struct proto_ops hidp_sock_ops = { .family = PF_BLUETOOTH, .owner = THIS_MODULE, .release = hidp_sock_release, .ioctl = hidp_sock_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = hidp_sock_compat_ioctl, +#endif .bind = sock_no_bind, .getname = sock_no_getname, .sendmsg = sock_no_sendmsg, @@ -164,6 +241,12 @@ static struct proto_ops hidp_sock_ops = { .mmap = sock_no_mmap }; +static struct proto hidp_proto = { + .name = "HIDP", + .owner = THIS_MODULE, + .obj_size = sizeof(struct bt_sock) +}; + static int hidp_sock_create(struct socket *sock, int protocol) { struct sock *sk; @@ -173,17 +256,20 @@ static int hidp_sock_create(struct socket *sock, int protocol) if (sock->type != SOCK_RAW) return -ESOCKTNOSUPPORT; - if (!(sk = bt_sock_alloc(sock, PF_BLUETOOTH, 0, GFP_KERNEL))) + sk = sk_alloc(PF_BLUETOOTH, GFP_ATOMIC, &hidp_proto, 1); + if (!sk) return -ENOMEM; - sk_set_owner(sk, THIS_MODULE); + sock_init_data(sock, sk); sock->ops = &hidp_sock_ops; sock->state = SS_UNCONNECTED; - sk->sk_destruct = NULL; + sock_reset_flag(sk, SOCK_ZAPPED); + sk->sk_protocol = protocol; + sk->sk_state = BT_OPEN; return 0; } @@ -198,10 +284,19 @@ int __init hidp_init_sockets(void) { int err; + err = proto_register(&hidp_proto, 0); + if (err < 0) + return err; + err = bt_sock_register(BTPROTO_HIDP, &hidp_sock_family_ops); if (err < 0) - BT_ERR("Can't register HIDP socket"); + goto error; + + return 0; +error: + BT_ERR("Can't register HIDP socket"); + proto_unregister(&hidp_proto); return err; } @@ -209,4 +304,6 @@ void __exit hidp_cleanup_sockets(void) { if (bt_sock_unregister(BTPROTO_HIDP) < 0) BT_ERR("Can't unregister HIDP socket"); + + proto_unregister(&hidp_proto); }